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Products

Harbin Dongan Building Sheets Co., Ltd. & BH Building Co.,LTD

Products

Cold storage door

Cold storage door

Cold storage door is a standard solution for providing pedestrian access to refrigerated and frozen storage areas. Like traditional hinged doors, it features thick insulation and durable seals that ensure a tight fit against the frame. This design minimizes air leakage and maximizes energy efficiency. Importantly, the hinged door is equipped with safety handles (internal mechanisms) to prevent pinching. Hinged doors, ideally suited for restaurants and laboratories, are an economical and durable choice for facilities where heavy forklift traffic is not a primary concern.

Cold storage sliding door

Cold storage sliding door

Cold storage sliding doors deliver outstanding performance. They operate reliably in low-temperature environments, effectively maintaining the desired temperature and helping you significantly reduce energy consumption. Their robust construction ensures a long service life, while the sliding mechanism saves valuable space. An electric drive provides effortless operation, and we guarantee quick, hassle-free installation. These doors meet stringent hygiene standards and are equipped with reliable safety features. Choose this door for a wide range of applications in cold storage facilities—it combines exceptional value with dependable performance, and its efficient design will enhance your facility’s overall efficiency.

Cold storage PVC rolling shutter door

Cold storage PVC rolling shutter door

Cold storage PVC rolling shutter doors are ideally suited for use in low-temperature environments. Flexible PVC strips create an effective thermal barrier. This highly efficient door helps maintain a consistent temperature, enabling significant energy cost savings. Its robust construction ensures a long service life, while a reliable mechanism guarantees smooth operation. The design allows for quick opening and closing. For your convenience, we simplify installation. The door is perfectly adaptable to various opening sizes, making it the ideal choice for food-processing facilities, warehouses, and logistics centers.

Electric cold storage sliding door

Electric cold storage sliding door

Electric cold storage sliding doors automate access to cold storage rooms with heavy vehicle traffic. A powerful motor smoothly moves the insulated panel along a guide rail. Motion sensors or pull cords open the door instantly when an object approaches. This rapid response significantly reduces the infiltration of warm air, minimizing energy losses and protecting stored goods from thermal shock. When fully closed, hermetic seals prevent cold air from escaping. Operators favor this efficient design for seamless, hands-free logistics operations.

EPS Roof Panel

EPS Roof Panel

Polystyrene roofing panels provide excellent thermal insulation and energy efficiency for modern buildings. Their structural strength enables them to withstand substantial loads under all weather conditions. Quick installation requires minimal labor and equipment. Suitable for residential, industrial, and commercial spaces, they ensure long‑term performance while reducing construction and operational costs. This versatile solution offers reliable protection and enhanced energy savings, making it a smart choice for high‑quality roofing that stands the test of time.

EPS Wall Panel

EPS Wall Panel

Polystyrene sandwich wall panels are a lightweight prefabricated building material consisting of two outer layers—typically steel or cement sheets—bonded to an insulating core of expanded polystyrene (EPS). They provide excellent thermal and acoustic insulation. Easy to install, durable, and energy-efficient, these polystyrene panels are widely used in residential, commercial, and industrial construction for wall and roof cladding. Their modular design accelerates construction while reducing labor and material costs, making them a popular choice for sustainable, fast-track building projects worldwide.

Rock Wool Insulation Panel

Rock Wool Insulation Panel

Insulated panels with rock wool are highly reliable building materials that combine effective thermal insulation, outstanding energy-saving performance, Class A fire resistance, high strength, and ease of installation. They efficiently prevent heat transfer to reduce energy consumption, withstand high temperatures without emitting toxic fumes, and endure harsh operating conditions for long-term, stable performance. Perfectly suited for construction projects, industrial facilities,this versatile panel provides safe, environmentally friendly, and durable insulation, while its simple installation enhances project efficiency, making it a dependable choice for thermal and fire‑protection needs.

Rock Wool Roof Panel

Rock Wool Roof Panel

Roofing panels with rock wool are highly reliable roofing materials that combine effective thermal insulation, outstanding energy-saving performance, Class A fire resistance, excellent weather resistance, and easy, convenient installation. Made from high-quality basalt wool with a reinforced facing, they minimize heat transfer, withstand high temperatures and toxic emissions, and resist wind, rain, and corrosion. Perfectly suited for the roofs of industrial workshops, commercial buildings, and public facilities, they ensure long-term, stable performance while reducing maintenance costs, reliably meeting diverse roofing needs.

Rock Wool Fireproof Panel

Rock Wool Fireproof Panel

Fire-resistant panels with rock wool are high-performance building materials designed for safety, offering superior fire resistance (Class A), excellent thermal insulation, outstanding energy-saving benefits, robust structural strength, and easy installation. As an inorganic, non-combustible material, they effectively block flames and toxic fumes while limiting heat transfer and reducing energy consumption. They are ideally suited for non-combustible walls, roofs, and partitions in commercial, industrial, and public buildings, protecting lives and property, simplifying construction, and lowering electricity and project costs—making them a reliable, fire-safe choice.

Rock Wool Sound-absorbing Panel

Rock Wool Sound-absorbing Panel

An acoustic panel made of rock wool is a multifunctional, high-performance material that combines effective sound absorption, reliable thermal insulation, outstanding energy-saving benefits, Class A fire resistance, robust structural strength, and ease of installation. Crafted from premium basalt rock wool, it reduces noise levels, limits heat transfer, and withstands high temperatures without emitting toxic fumes. Perfectly suited for theaters, offices, schools, and homes, it enhances acoustic comfort, ensures spatial safety, and maintains energy efficiency over the long term, meeting diverse indoor needs.

Prefabricated Steel Structure School Buildings

Prefabricated Steel Structure School Buildings

Steel-structure school buildings provide a high-performance and safe learning environment for students. The steel frame allows for spacious classrooms and flexible layouts that adapt to diverse educational needs. Construction teams can rapidly assemble components, ensuring that schedules are met even during tight construction seasons. These school buildings utilize durable panels, insulated walls, and robust connections to enhance both safety and comfort. Students benefit from bright, airy spaces as designers integrate natural lighting and smart ventilation systems. Furthermore, steel systems support future expansion, helping school buildings upgrade their facilities with minimal disruption.

Prefabricated Steel Structure Cattle Shed

Prefabricated Steel Structure Cattle Shed

The prefabricated steel structure cattle shed is a modern, efficient solution for livestock farming. Built with high-strength galvanized steel, these sheds offer exceptional durability against harsh weather and pests. The modular design allows for rapid assembly, significantly reducing construction time and labor costs. Inside, the clear-span layout provides a spacious, well-ventilated environment that promotes animal health and productivity. Additionally, the steel components are sustainable and easy to maintain, ensuring a long-lasting, cost-effective shelter for any modern ranch.

Rock Wool Ceiling

Rock Wool Ceiling

Rock wool ceilings are highly efficient ceiling materials that combine effective thermal insulation, remarkable energy-saving effects, Class A fire resistance, high load-bearing capacity and ease of installation. Made of high-quality basalt wool, it limits heat transfer, reducing energy consumption, and withstands high temperatures without producing toxic fumes. Ideal for commercial buildings, public and residential spaces, it increases indoor safety and comfort by optimizing ceiling construction processes, ensuring reliable operation in accordance with a variety of project requirements.

Durable Steel Structure Vegetable Greenhouse

Durable Steel Structure Vegetable Greenhouse

The durable steel structure vegetable greenhouse is an advanced agricultural solution designed to optimize crop production. Using a robust steel framework, these greenhouses offer durability, flexibility, and effective protection against harsh weather conditions. They provide the ideal environment for growing vegetables by maintaining consistent temperature and humidity levels. The steel structure ensures long-lasting performance, easy maintenance, and protection against pests. These greenhouses are customizable in size and design, allowing farmers to adapt to different types of vegetable crops and farming needs.

Durable Modular Metal Sheep Barn

Durable Modular Metal Sheep Barn

The durable modular metal sheep barn is a typical representative of the combination of modern livestock management and industrial construction solutions. Engineered from high-tensile galvanized steel, these barns offer superior resistance to corrosion, heavy snow loads, and extreme winds. The modular construction enables a rapid, bolt-together assembly process that minimizes on-site labor and project timelines. Designed with a clear-span interior, the barn provides a flexible layout for efficient feeding and waste management. This robust metal enclosure ensures a safe, well-ventilated environment, protecting your flock while maintaining a cost-effective, low-maintenance facility for long-term agricultural success.

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Harbin Dongan Building Sheets Co.,Ltd.

Harbin Dongan Building Sheets Co.,Ltd. & BH Building Co.,LTD

Telephone: +86-13946047900

E-mail: dajz@dajzgroup.com

Address: No.21, Hawu Road, Pingfang District, Harbin City

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