4 China 
2 Russia 
2 India 
1 Germany 
1 Japan 
Sunjoy (Tianjin) Technology Co. , Ltd
- Address: Room1701,Jin Fulin Building, Jinnan District, Tianjin, China
- Email:
- Phone: +86 4009950775
Business description
Welcome to Sunjoy Technology Co., Ltd.! Founded in 2003, we specialize in the research, development, production, and sales of thermal-insulation materials.Our two production bases are located in the Baodi Economic Development Zone, Tianjin, and the Langfang Economic Zone, Hebei Province.
With over 1,000 employees—including more than 200 R&D staff—we operate 15 fully automated production lines and achieve a $10 million annual output value.
Our main products include high-quality rock wool, glass wool, ceramic fiber, etc.
Latest listings
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Refractory High Temperature 99% Alumina Ceramic FiberboardGeneral Construction - Sunjoy (Tianjin) Technology Co. , Ltd - China - May 28, 2026 - contact company for priceThe Refractory Ceramic Fiber Board is a specialized, high-performance rigid insulation engineered for the most demanding thermal environments. As a type of ceramic fiber board, it is manufactured through a precise vacuum-forming process that combines...
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Fiberglass Wool PipeGeneral Construction - Sunjoy (Tianjin) Technology Co. , Ltd - China - May 28, 2026 - contact company for priceFiberglass wool pipe is on-piece, 1000mm long hinged sections of fiberglass pipe insulation that are opened, placed over the pipe and secured in place. It is widely used to insulate iron, copper, PVC and other polymer pipes with operating temperature...
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Rock Wool Roll Insulation BlanketGeneral Construction - Sunjoy (Tianjin) Technology Co. , Ltd - China - May 28, 2026 - contact company for priceWired rock mineral wool blanket is suited for thermal insulation, fire protection and sound attenuation of large process pipework, tanks, vessels, boilers and ducts. Test standard: ASTM C592 Density: 60kg/m3~150kg/m3 Thickness: 25mm~100mm Width: 600m...
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Agriculture Use Rock Wool CubeGeneral Construction - Sunjoy (Tianjin) Technology Co. , Ltd - China - May 28, 2026 - contact company for priceAgricultural rock-wool is a key substrate in modern protected agriculture. Coupled with precision nutrient-film systems, it optimizes the root-zone environment, boosts yield and quality, cuts management costs and raises labor productivity. Our dedica...
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Aluminum Foil Rock Wool BoardGeneral Construction - Sunjoy (Tianjin) Technology Co. , Ltd - China - May 28, 2026 - contact company for priceAluminum foil rock wool board is a type of rock wool board, a kind of thermal insulation material with very strong waterproof performance. Aluminum foil rock wool board is a layer of aluminum foil attached to the surface of the basic material of rock...
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