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Products

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

Products

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.

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.

Rock wool Wall panel

Rock wool Wall panel

Wall panels with rock wool are high-performance building materials that combine effective thermal insulation, outstanding energy-saving benefits, Class A fire resistance, superior structural strength, and ease of installation. As an inorganic, non-combustible material, they efficiently prevent heat transfer and ignition, while their robust structure resists deformation and corrosion. Suitable for both interior and exterior walls in residential, commercial, and industrial buildings, these panels seamlessly integrate indoor comfort, fire safety, and construction efficiency, meeting diverse building requirements while reducing long-term electricity and maintenance costs.

PIR Roof Panels

PIR Roof Panels

PIR roofing panels are high-performance insulated sandwich panels with a polyisocyanurate (PIR) core, bonded between two metal facings, typically steel or aluminum. Renowned for their superior thermal insulation, fire resistance, and structural strength, PIR panels deliver excellent energy efficiency and durability. They are lightweight, easy to install, and widely used in roofing systems for commercial and industrial buildings, as well as cold storage facilities. Thanks to their low thermal conductivity and long-term stability, PIR roofing panels help reduce energy costs.

Cold storage panels

Cold storage panels

PIR panels for cold storage rooms are high-performance thermal insulation panels used to construct temperature-controlled spaces, such as cold rooms and food-processing facilities. They typically consist of a rigid polyurethane foam core sandwiched between two metal sheets. Key advantages include: Excellent thermal insulation: High thermal efficiency reduces energy consumption for cooling. Fire resistance: Unlike standard polyurethane panels, PIR panels do not melt but char, providing superior fire protection. Durability: Moisture-resistant and structurally robust. These qualities make them the industry standard for hygiene, safety, and energy efficiency in cold-chain applications.

PIR Wall Panels

PIR Wall Panels

PIR wall panels offer enhanced fire safety compared to standard PIR panels. Their rigid PIR core is securely sandwiched between two protective metal facings. This unique chemical composition significantly slows the spread of flames. Builders often select them to meet stringent regulatory requirements. PIR wall panels also deliver excellent thermal insulation performance. Contractors can install these lightweight panels quickly and efficiently. The panels maintain structural integrity across a wide temperature range, making them an ideal choice for cold-storage facilities.

PU Wall Panels

PU Wall Panels

Polyurethane wall panels provide efficient thermal insulation for modern structures. Manufacturers tightly bond a rigid polyurethane foam layer between two metal facings. This core prevents heat loss more effectively than many alternative materials. Owners enjoy lower energy bills throughout the building’s entire service life. Polyurethane wall panels are also resistant to water absorption and the harmful growth of mold. Installation crews can assemble these lightweight panels very quickly. The interlocking design ensures a tight, weather‑resistant seal. These versatile panels are ideally suited for use in factories, warehouses, and cold storage facilities.

PU Roof Panels

PU Roof Panels

Polyurethane roofing panels are an excellent modern building material. Manufacturers sandwich a rigid polyurethane foam core between two metal sheets. This construction provides superior thermal insulation for industrial and commercial buildings. Owners save on energy bills, as the foam effectively regulates temperature. The panels are also resistant to moisture, extreme weather conditions, and fire hazards. Contractors can install these lightweight units quickly, significantly shortening project timelines. Despite their ease of handling, they offer impressive structural strength. This efficient roofing solution is frequently used in warehouses.

PIR Insulation Panel

PIR Insulation Panel

Builders choose insulated PIR panels for high-performance construction projects. A rigid polyisocyanurate core is sandwiched between two protective metal facings. This design delivers exceptional thermal performance for a building’s envelope. Thanks to this superior insulation, you can significantly reduce energy costs. Safety remains a key advantage of PIR technology. The material is self‑extinguishing and chars when exposed to fire. Unlike other foams, it does not melt or drip. Contractors appreciate its light weight and ease of handling. These panels are resistant to moisture and can withstand harsh operating conditions. Modern projects rely on them for durability and cost savings.

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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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