Production Capacity

Main insulation materials

Foam glass products, rigid closed cell polyurethane foam plastic products (PUR), rigid closed cell polyisocyanurate foam plastic products (PIR), high-density pipe supports, aluminum silicate products, glass wool products, rock wool products.

Cold insulation auxiliary materials

YH-A106B (A107B) tellurium grease, YH-A9550 (A62) sealant, YH-A8177 (A61, A63) adhesive, YH-A105 wear-resistant agent, YH-A9066 vapor barrier adhesive, YH-A66 cold primer oil, YH-A101 high temperature resistant adhesive, YH-A102 waterproof plaster slurry and other series of insulation materials

Annual production capacity of insulation materials

Foam glass products: 60000 m3

Rigid closed cell polyurethane foam plastic products: 100000 m3

Rigid closed cell polyisocyanurate foam plastic products: 100000 m3

Cold insulation auxiliary materials: 80000 tons (30000 tons of mastic, 15000 tons of sealant, 10000 tons of cryogenic adhesive, 5000 tons of gas barrier adhesive, 15000 tons of wear-resistant agent, 5000 tons of cold primer oil)

Annual production capacity of insulation materials

Aluminum silicate products: 150000 cubic meters

Glass wool products: 150000 cubic meters

Rock wool products: 60000 cubic meters

Quality Control

SGS Inspection Report

Environmental Management System Certification Certificate

Quality management system certification

Occupational Health and Safety Management System Certification

Quality is the core competitiveness of enterprises based on the market, and it is also the core development concept of Zhejiang Yahong's deep cultivation of the industry. The company has established a professional and standardized quality testing and research and development system, equipped with a complete set of high-precision professional testing equipment, and built a full chain quality control system covering raw material verification, production process, and finished product delivery. Relying on a professional technical research and development team, the company can customize and optimize production formulas and plans according to different industry scenarios, construction environments, and personalized customer needs, accurately adapting to diversified usage needs. The entire process adopts intelligent and standardized testing procedures, real-time monitoring of various core production parameters, and builds a solid core guarantee for product quality from a technical perspective.

Zhejiang Yahong adheres to the quality principle of strict control throughout the entire production process, integrating quality control throughout the entire production process. On the raw material side, the company has established strict supplier selection and raw material acceptance standards. All incoming raw materials must pass multiple special tests such as composition, performance, and stability. Only after all indicators meet the standards can they be put into production, and inferior raw materials are prevented from flowing into the production process from the source. During the production process, a standardized process control and phased inspection system is implemented. The core production processes and parameter standards are uniformly approved and issued by the technical department. Each process and batch of products undergo sampling verification and performance retesting. Only after passing the process quality inspection can they be transferred to the next production process. Before the finished product leaves the factory, the company conducts a comprehensive final inspection of core indicators such as appearance, dimensional accuracy, physical performance, and adaptability, strictly adhering to the bottom line of finished product quality.

With a systematic and refined full process quality control model, Zhejiang Yahong has achieved stable and high-end output of product quality. All performance indicators of the entire product line meet national industry standards, and the core quality benchmarks international advanced technology levels. The company has formed a mature operational system integrating technology research and development, standardized production, precision manufacturing, and supporting services, achieving standardized production processes, standardized quality control, diversified product categories, and honest market services. With stable product quality and good market reputation, the company has been recognized as a trustworthy and committed high-quality enterprise. It is also a reliable and reliable cooperative enterprise recognized by many cooperative units, and has won dual recognition from the market and customers with its hardcore quality strength.

Strategic cooperative clients

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