ABOUT US

Chengdu Huayi Heat Shrinkable Products Co., Ltd is a professional manufacturer of cold shrinkable, heat shrinkable products and optical communication wiring equipment. It is an excellent enterprise of ISO international quality system certification enterprise and information industry department. A team of engineers and senior engineers with a Ph.D. The company has advanced technology, first-class equipment, high-level quality management, users all over the world, and the products are exported to foreign countries. The company's main products include heat shrinkable cable accessories, cold shrink cable accessories, heat shrink tubing for communication, heat shrink tubing for oil pipelines, cold shrink tubing for communication base stations, and optical communication wiring equipment.

The company's heat shrinkable and cold-shrinkable cable accessories have passed the type test monitoring of the Electric Power Industry Electrical Equipment Quality Inspection and Testing Center (Wugao Institute). The product quality meets the domestic and international industry standards such as GB 12706.4 and IEC 60502.4, and has passed the national product appraisal. The product quality is leading in China, with high reliability and high stability. It has created 35KV cold shrink cable accessories (indoor and outdoor terminals and intermediate joints) 120KV 80 minutes without flashing, no breakdown, no heat, 20KV cold shrink cable accessories (inside and outside) Terminal and intermediate connector) 54KV 80 minutes without flashing, no breakdown, no heat and 15KV cold-shrinkable cable accessories (indoor and outdoor terminals and intermediate connectors) 45KV 80 minutes, no flashover, no breakdown, no domestic fever, and better than domestic Foreign famous brands. These excellent performances greatly improve the reliability and stability of cable line operation and are highly valued by users.

Our company research institute successfully designed the first strong fiber heat shrinkable tube production line in China in 1991, and produced the first strong fiber heat shrinkable tube in China and Asia on November 29, 1991. Our factory and its heat-shrinkable tubes, especially the strong fiber-reinforced heat-shrinkable tubes, as the representative of the development of heat-shrinkable tubes in China, were gloriously incorporated into the "Communication Development of the People's Republic of China" edited by the State Council and the Ministry of Information Industry. In 2001, our factory was awarded the honorary title of “Heat-shrinking tube national product quality satisfaction, after-sales service satisfaction demonstration unit” by China Quality and Technical Supervision Bureau. In the same year, it was awarded “Huayi Brand Heat-shrinkable Tube Sichuan Market Best-selling Brand” by Sichuan Quality and Technical Supervision Bureau. Glorious title. The quality of our company's strong fiber-reinforced heat-shrinkable tube products is in a leading position in China. It has outperformed foreign famous brands in gas-holding performance and is highly praised by users. After long-term use of our products, Chongqing Telecom and other telecommunications bureaus have proved that our products can completely replace foreign brands. The Shijiazhuang City Telecommunications Bureau evaluated the heat retention performance of our company's heat-shrinkable tubes better than foreign brands after inflating the same test on the same cable. In the inflation comparison test, it is the only domestic manufacturer that wins foreign famous brands. The heat-shrinkable tube of our factory meets the YD/T590 mark of the communication industry of the People's Republic of China, and has been awarded the honorary title of provincial superiority, city superiority and product quality trust by the Sichuan Provincial Technical Supervision Bureau and Chengdu Technical Supervision Bureau. For eight consecutive years, the provincial and municipal technical supervision departments immediately sampled the qualified rate of products by 100%.

Our company's heat shrinkable sleeve meets the requirements of the People's Republic of China oil and gas industry standard SY/T4054-2003 "radiation cross-linked polyethylene heat shrinkable belt (set)", also meets the requirements of relevant standards such as SY/T0413-2002, exported to Europe, America The Middle East and Southeast Asia meet the requirements of relevant international standards. The strength of our company's strong fiber reinforced heat shrinkable tape and strong fiber reinforced heat shrinkable sacrificial tape is in the leading position in China. It is excellent in the key projects of long-distance pipeline directional drilling and towing pipe, and is highly praised by users at home and abroad. Our company's pipeline radiation cross-linked heat shrinkable sleeve has excellent waterproof sealing, excellent environmental stress cracking resistance, heat aging performance, excellent weather resistance and UV resistance, excellent construction performance and long service life. The heat-shrinkable sleeve manufactured by our company has a service life of more than 50 years. It is suitable for the filling of coated pipes such as polyethylene, epoxy powder, epoxy coal tar pitch and asphalt glass cloth.

Our company is a sincere friend of the majority of users, with outstanding reputation, considerate service, timely delivery, reasonable price, and implements three guarantees. Under normal operation and use, the product will be replaced if it has quality problems within 20 years.