The Qingdao Mingyue · Shanhai Jian Ever-Bright City Acrylic Cylindrical Tank Project is one of Leyu’s representative acrylic engineering projects for cultural tourism and immersive aquatic attractions.

As the contractor for the acrylic water feature, Zhangjiagang Leyu Plexiglass Products Factory (Leyu Acrylic) was responsible for the customized acrylic fabrication, large-scale panel joining, on-site installation, sealing, and water-pressure testing of the project’s giant cylindrical mermaid performance tank.

The project is located in Hetao Subdistrict, Chengyang District, Qingdao. Public Qingdao government sources confirm that Mingyue · Shanhai Jian officially began operation in 2023, with the project positioned as a themed cultural tourism and nighttime consumption destination. Qingdao government information describes the attraction as a destination inspired by The Classic of Mountains and Seas, combining themed scenes, performances, and nighttime tourism experiences.

For us at Leyu, this project is more than a large transparent tank. It is a complete acrylic engineering application that required us to coordinate material selection, large-scale fabrication, transportation, joining, installation, sealing, pressure testing, and long-term maintenance considerations.

The core structure is a giant cylindrical acrylic mermaid performance tank measuring approximately 4.5 meters in diameter and 8 meters in height. With its large transparent viewing surface and underwater performance function, the tank has become an important visual element of the attraction.

Most importantly, this project demonstrates how thick acrylic panels can be customized and engineered for large outdoor aquatic structures where transparency, structural stability, weather resistance, and visual impact must all be considered together.

Building a Landmark Acrylic Water Feature for a Themed Tourism Project

When we received the acrylic engineering scope for the Qingdao Mingyue · Shanhai Jian project, we understood that the cylindrical tank needed to achieve two objectives at the same time.

First, it had to function as a reliable large-scale water-retaining structure. Second, it had to become a transparent performance space that could visually integrate with the project’s Classic of Mountains and Seas theme.

The surrounding attraction combines traditional cultural imagery, lighting, performances, entertainment, and themed environments. Qingdao government sources describe Mingyue · Shanhai Jian as a themed nighttime cultural tourism attraction and report that it had become an important part of the city’s nighttime tourism offering.

For us, this meant that the acrylic structure could not simply be treated as a standard aquarium tank.

The viewing surface itself needed to contribute to the overall experience.

A cylindrical transparent structure provides a fundamentally different viewing experience from a conventional flat aquarium window. Visitors can observe the underwater performance from different positions around the tank, while the transparent acrylic allows the water, performers, lighting, and surrounding environment to remain visually connected.

This was the design concept we needed to support through our acrylic engineering.

Project Timeline and Leyu’s Delivery

The acrylic works were carried out under a relatively tight project schedule.

According to the project information provided by Leyu, production of the giant acrylic cylindrical tank began during the first half of 2023.

During June 2023, we completed the delivery of the acrylic panels, on-site installation, and water-pressure testing. The acrylic landscape engineering works were then completed and accepted.

The overall attraction officially opened on June 30, 2023. Qingdao public sources confirm that the project entered trial operation earlier in June and formally opened at the end of the month.

For a large acrylic water structure, this schedule required close coordination between factory production and site construction.

Our work therefore focused not only on producing the acrylic components but also on ensuring that fabrication, transportation, installation, joining, sealing, and testing could be completed in the correct sequence.

Project Overview

The dimensions and technical details above are based on the project information provided by Leyu.

Thick Acrylic Panels for an 8-Meter-High Outdoor Water Structure

One of the key decisions we made for this project was the selection and customization of acrylic material suitable for a large outdoor water structure.

An approximately 8-meter-high cylindrical tank presents very different requirements from a conventional small aquarium.

The acrylic must provide a clear viewing surface while also working as part of a large pressure-bearing water structure. The material and finished components need to maintain appropriate dimensional stability, optical quality, and joining performance during long-term operation.

For this reason, we use customized cast acrylic solutions for large aquatic projects rather than treating the material as a standard transparent sheet.

Our thick acrylic panels are developed according to the requirements of the specific project, including dimensions, geometry, water depth, support conditions, environmental exposure, transportation limitations, and installation requirements.

For the Qingdao project, the material solution focused on:

• High light transmission

• Low optical distortion

• UV resistance

• Aging resistance

• Outdoor environmental durability

• High toughness

• Reliable joining performance

• Long-term visual clarity

These characteristics are particularly important for a coastal outdoor project.

Qingdao’s location means that an outdoor installation can be exposed to sunlight, humidity, rain, temperature changes, and a salt-containing coastal atmosphere. Therefore, we considered environmental resistance together with structural and optical performance during the material selection process.

Clear Underwater Viewing for Mermaid Performances

The main purpose of the cylindrical tank is to provide a transparent environment for underwater performances.

For visitors, the quality of the viewing surface directly affects the experience.

Acrylic needs to remain clear enough for visitors to see the performers, underwater movements, lighting effects, and water environment naturally.

This is one of the reasons we use high-transparency cast acrylic for large viewing structures.

Unlike a conventional flat viewing window, the cylindrical structure provides a continuous panoramic viewing interface. Visitors can move around the tank and observe the performance from different directions.

For a themed cultural tourism attraction, this creates a stronger relationship between the performance and the surrounding environment.

The acrylic itself becomes visually unobtrusive, allowing the water, performers, lighting, and themed scenery to become the focus.

This was particularly important for the Qingdao project because the cylindrical tank was designed to work together with the project’s traditional Chinese cultural and Classic of Mountains and Seas atmosphere.

Large-Scale Acrylic Joining and Seamless Visual Effect

The size of the cylindrical tank created another major engineering challenge.

A structure of this scale could not simply be produced and transported as one complete acrylic component.

We therefore used our established large-scale acrylic joining process.

For this project, two customized ultra-thick acrylic components were precisely aligned and joined. After the joining process, the surfaces were subjected to multiple stages of grinding and polishing.

The objective was not simply to connect two acrylic components.

We needed to create a continuous visual surface while maintaining the structural and waterproofing requirements of the completed tank.

Our joining process included:

1. Precision positioning of the acrylic components

2. Controlled joining

3. Joint surface treatment

4. Multi-stage grinding

5. Fine polishing

6. Visual inspection

7. Waterproof inspection

8. Water-pressure testing

After completion, the joint became visually unobtrusive, allowing the cylindrical tank to maintain a continuous transparent appearance.

For large aquatic structures, this type of joining capability is particularly important because transportation and production limitations often make single-piece fabrication impractical.

Pressure Resistance and Sealing for Long-Term Operation

The approximately 8-meter height of the tank also created significant requirements for pressure resistance and sealing.

The higher the water column, the greater the hydrostatic pressure acting on the lower sections of the structure.

Therefore, during the installation of the Qingdao project, we paid close attention to the relationship between acrylic components, joints, supporting structures, and sealing interfaces.

Our engineering process included multiple rounds of water-pressure testing and waterproof inspection.

The main factors we focused on included:

• Acrylic dimensional stability

• Long-term deformation control

• Joint performance

• Structural support

• Interface sealing

• Waterproof performance

• Overall stability after filling

Water-pressure testing is particularly important for large acrylic water structures because the final installed system needs to be evaluated as a whole.

The performance of the acrylic panel alone is not enough. The finished structure must work reliably together with the joining and sealing system.

For us, this is an essential difference between supplying acrylic products and delivering a complete acrylic engineering solution.

Outdoor Acrylic Engineering for a Coastal Environment

The Qingdao project is an outdoor installation, so environmental exposure was another factor we considered.

Outdoor acrylic structures may experience prolonged exposure to sunlight, rain, humidity, temperature fluctuations, and coastal atmospheric conditions.

For the Qingdao project, we therefore selected a customized acrylic solution with emphasis on UV resistance, aging resistance, optical clarity, and environmental durability.

The purpose is to help reduce common long-term visual problems such as yellowing, haze, and loss of transparency.

At the same time, the acrylic structure must maintain the required physical performance during outdoor operation.

This is why we believe acrylic selection should always be based on the actual application rather than simply choosing a generic panel specification.

For a coastal cultural tourism project, the material needs to be considered together with the operating environment, water conditions, exposure conditions, structural dimensions, and maintenance requirements.

Thick Acrylic Panels as an Integrated Engineering Solution

In a large water feature, thick acrylic panels are not simply transparent decorative materials.

They form an important part of the overall structural and visual system.

The required acrylic specification can be affected by:

• Water depth

• Panel dimensions

• Curvature

• Support method

• Joint configuration

• Water pressure

• Outdoor exposure

• Transportation conditions

• Lifting requirements

• Installation conditions

• Expected operating period

For this reason, we develop the acrylic solution around the complete project rather than selecting a panel thickness independently.

For large aquariums, cylindrical tanks, underwater tunnels, acrylic pools, and landscape water features, our engineering team evaluates the requirements of the structure and then coordinates fabrication and installation accordingly.

This project approach allows us to connect factory production with actual site conditions.

From Factory Production to On-Site Installation

For us, the completion of an acrylic project does not end when the panels leave the factory.

A successful large acrylic installation requires coordination from the manufacturing stage through final commissioning.

Our typical workflow includes:

Project Coordination → Material Selection → Custom Fabrication → Precision Processing → Joining → Polishing → Packaging → Transportation → Lifting → Positioning → Sealing → Water-Pressure Testing → Commissioning

For the Qingdao project, the short construction schedule made this integrated process particularly important.

Large acrylic components require careful handling during transportation and lifting. Once they arrive on site, accurate positioning is essential before joining and sealing.

We therefore coordinate the production dimensions and installation requirements in advance.

This helps reduce the risk of dimensional mismatch and unnecessary adjustments on site.

For complex acrylic water features, factory precision and site precision are equally important.

How We Protect Acrylic Before Shipment

Large acrylic panels have highly polished surfaces, so transportation protection is an essential part of our delivery process.

Before shipment, we cover the acrylic surfaces with PE protective film.

The PE film helps protect the surface from scratches, dust, and contamination during transportation and installation.

For packaging, we can use KT-board wooden crates according to the size and transportation requirements of the acrylic components.

If additional mechanical protection is required, an iron-frame package can also be provided according to the actual project requirements.

The need for an iron frame depends on factors such as:

• Component size

• Component shape

• Weight

• Transportation distance

• Loading conditions

• Lifting method

• Site handling requirements

For oversized or irregular acrylic components, we develop the packaging method together with the transportation plan.

Protecting the polished surface before delivery is particularly important because the final optical quality of a large acrylic viewing structure depends not only on the material itself but also on how well the surface is protected throughout transportation and installation.

LEYU Customized Acrylic Installation Service

As the acrylic engineering contractor, we can provide more than factory-manufactured acrylic panels.

For large projects, LEYU can provide customized installation services covering the complete site process.

Our installation scope can include:

• Transportation coordination

• On-site unloading

• Lifting coordination

• Component positioning

• Precision alignment

• Acrylic joining

• Sealing

• Water-pressure testing

• Commissioning

• Technical support

The actual installation method is adjusted according to the structure and site conditions of each project.

For the Qingdao cylindrical tank, accurate alignment was particularly important because the final structure required a continuous cylindrical appearance.

The joining and sealing process therefore had to be coordinated with the geometry of the complete tank.

Our goal is to ensure that the acrylic components produced in our factory can be accurately integrated with the project’s surrounding structure and water system.

Acrylic Maintenance and After-Sales Service

Acrylic engineering does not end with project acceptance.

Large acrylic water structures are intended for long-term operation, particularly in public cultural tourism and entertainment venues.

For this reason, LEYU also provides maintenance and after-sales technical support.

Our maintenance services can include:

• Acrylic surface inspection

• Joint and sealing inspection

• Cleaning guidance

• Professional polishing

• Minor scratch treatment

• Technical consultation

• Long-term maintenance support

Acrylic has an additional practical advantage in long-term public applications: suitable minor surface scratches can often be treated through professional polishing.

This can help restore the surface finish without replacing the entire acrylic component.

For commercial venues, this provides a practical way to maintain the appearance and viewing quality of large acrylic structures over their service life.

Integrating Acrylic Engineering With the Classic of Mountains and Seas Theme

From our perspective, one of the most interesting aspects of this project is the way the acrylic structure supports the cultural theme.

Mingyue · Shanhai Jian uses The Classic of Mountains and Seas as an important cultural reference. Qingdao government tourism information describes the attraction as a place where visitors can experience a themed world inspired by the classic through scenery, lighting, and performances.

The giant cylindrical tank gives the underwater performance a transparent stage.

The water, performers, lighting, and surrounding environment can visually connect through the acrylic structure.

This is particularly effective for immersive tourism because visitors are not simply looking at a conventional aquarium display.

They are experiencing a performance environment.

For us as the acrylic contractor, this meant that engineering quality had to support the visual concept.

The acrylic needed to be structurally reliable, but it also needed to remain visually clean and unobtrusive.

The large transparent cylindrical structure therefore serves both an engineering function and a visual function within the attraction.

Why We Use Thick Acrylic Panels for Large Water Projects

Our experience with projects such as the Qingdao Mingyue · Shanhai Jian cylindrical tank has reinforced an important principle: large acrylic structures need to be designed as complete engineering systems.

The acrylic thickness, geometry, joining method, support conditions, water depth, and installation method are interconnected.

For this reason, our thick acrylic panels are customized according to the project rather than treated as standardized off-the-shelf products.

Depending on the project, LEYU can provide acrylic solutions for:

• Large aquarium viewing windows

• Cylindrical acrylic tanks

• Acrylic underwater tunnels

• Acrylic swimming pools

• Aquarium corner windows

• Large curved viewing walls

• Landscape water features

• Marine park exhibits

• Cultural tourism water installations

• Custom architectural water features

The specific material and structural solution is determined according to the actual project requirements.

LEYU’s Complete Acrylic Engineering Service

The Qingdao project represents the way we approach large acrylic engineering.

We combine acrylic material production with customized fabrication, precision processing, joining, installation, testing, and after-sales support.

Our service can cover the project from the factory to the finished site installation.

LEYU Project Service

This integrated approach is particularly important for large acrylic water structures because each stage can influence the next.

A small dimensional difference during fabrication, for example, may create unnecessary difficulty during installation.

Similarly, insufficient surface protection during transportation may affect the final appearance even if the acrylic itself was manufactured correctly.

By coordinating these stages together, we can better control the complete project delivery process.

Qingdao Mingyue · Shanhai Jian: A Representative LEYU Case

The Qingdao Mingyue · Shanhai Jian Ever-Bright City Acrylic Cylindrical Tank Project is an important example of our work in large-scale outdoor acrylic water engineering.

With a cylindrical tank approximately 4.5 meters in diameter and 8 meters high, the project required us to combine customized acrylic fabrication with large-scale joining, precision polishing, waterproof sealing, pressure testing, transportation protection, and on-site installation.

The project also demonstrates the role that acrylic can play in cultural tourism.

The material provides the transparency needed for underwater performances while allowing the cylindrical structure itself to become part of the visual identity of the attraction.

For LEYU, successful delivery means more than manufacturing a transparent panel.

It means understanding the water depth, structure, environment, transportation conditions, installation sequence, sealing requirements, and long-term operation of the complete system.

Our experience in Qingdao demonstrates how thick acrylic panels can be integrated into large outdoor water structures and transformed into functional, transparent, and visually distinctive architectural features.

From customized manufacturing to professional installation and after-sales support, LEYU continues to provide complete acrylic engineering solutions for aquariums, marine attractions, cultural tourism projects, acrylic pools, underwater tunnels, and custom water features.

Frequently Asked Questions

1. What Is the Qingdao Mingyue · Shanhai Jian Acrylic Project?

It is a large outdoor acrylic water feature project completed by Zhangjiagang Leyu Plexiglass Products Factory. The main acrylic structure is a large cylindrical mermaid performance tank.

2. How Large Is the Acrylic Cylindrical Tank?

According to the project information provided to us, the cylindrical tank is approximately 4.5 meters in diameter and 8 meters high.

3. What Is the Acrylic Tank Used For?

The tank is designed for underwater mermaid performances and themed lighting presentations, providing visitors with panoramic views of the underwater performance environment.

4. Why Did We Use Acrylic for the Cylindrical Tank?

Acrylic combines high transparency, toughness, and processing flexibility, making it suitable for large curved and cylindrical aquatic structures.

5. Can LEYU Manufacture Custom Thick Acrylic Panels?

Yes. We specialize in customized acrylic products for large aquariums, aquatic attractions, acrylic pools, underwater tunnels, cylindrical tanks, and other large water structures.

6. Can Large Acrylic Panels Be Seamlessly Joined?

Yes. When a structure is too large for single-piece production or transportation, we can use professional large-scale acrylic joining technology followed by multi-stage grinding and polishing.

7. How Do We Protect Acrylic During Transportation?

Before shipment, we cover the acrylic surfaces with PE protective film. Depending on the project requirements, we can use KT-board wooden crates. If additional protection is required, an iron-frame package can also be provided.

8. Does LEYU Provide On-Site Acrylic Installation?

Yes. We can provide customized installation services including transportation coordination, lifting, positioning, joining, sealing, water-pressure testing, commissioning, and technical support.

9. Does LEYU Provide Acrylic Maintenance and After-Sales Service?

Yes. We provide maintenance and after-sales technical support, including professional polishing and suitable treatment of minor surface scratches.

10. What Other Projects Can LEYU Provide Acrylic Solutions For?

We provide customized acrylic solutions for large aquariums, marine parks, underwater tunnels, acrylic pools, panoramic tanks, landscape water features, cultural tourism attractions, and other pressure-bearing aquatic structures.

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