Weihai Yinxing Prestressed Wire Co., Ltd. was founded in October 1994. It is a company specializing in the production of prestressed concrete steel wires and steel strands. Its products are widely used in highways, railways, urban rail transit, hydropower and nuclear power facilities, and mine support. , civil buildings, LNG minus 196℃ ultra-low temperature storage tanks and other large and medium-sized infrastructure projects. The company has four production bases, Weihai, Liaocheng, Tianjin and Panzhihua, and a prestressing research institute. It has 12 fully automated production lines with an annual comprehensive production capacity of 350,000 tons. It is one of the largest manufacturers in the same industry in China. In 2020, it was awarded the "National-level Manufacturing Single Champion Demonstration Enterprise" by the Ministry of Industry and Information Technology of China and won the "China Industry" in 2022. Grand Prize and Reward Award", was approved as a "National Postdoctoral Research Station" in 2023.

The company has strong scientific research strength, with more than 100 professional and technical personnel, a national high-tech enterprise, and has built Shandong Engineering Research Center, Shandong Engineering Laboratory, Shandong Enterprise Technology Center, Shandong Academician Workstation, Shandong Industrial Design Center, Shandong Province Postdoctoral Innovation Practice Base, Shandong Province's "One Enterprise, One Technology Center" and other scientific research platforms. Yinxing Prestress Research Institute has built a first-class domestic physical and chemical laboratory, mechanics laboratory, metal material performance laboratory, etc. The Prestress Research Institute specializes in the research and development of prestress products and the formulation of standards. Over the years, the company has successively undertaken provincial-level More than 20 scientific and technological projects, with more than 30 patents; and cooperated with the China Railway Science Research Institute to jointly develop large-diameter, high-strength prestressed spiral rib steel wire for 350 kilometers of high-speed rail slabs, leading the world in core technology; drafting industry standard 1 9 items participated in the formulation of national standards and implementation standards.

The company has standardized management, complete production capacity and specifications, and excellent quality. Passed the US PTI professional certification, IS09001 quality management system certification, product quality certification, IS014001 environmental management system certification, OHSAS occupational health and safety management system certification and national-level improved metrology and testing system certification; it can produce according to customer needs to meet national standards and US standards, Products of British standards, Japanese standards, Korean standards and other standards and non-standard products with special requirements for users. It is a member unit of the China Steel Structure Association and a member unit of the Wire Products Branch of the China Steel Structure Association.

The company's products are now spread all over the country and are exported to Europe, America, Asia, Africa and other countries. They are large construction enterprises such as China Railway, China Railway Construction, China Construction, China Communications Construction, China Communications Construction, China Port and Shipping, China Power Construction, Shandong Expressway Group and other large-scale construction enterprises and their affiliated logistics and trade groups. The company's strategic partner. It is the Beijing-Shanghai High-speed Railway, Beijing-Tianjin Intercity Railway, Beijing-Guangzhou High-speed Railway, Harbin-Da High-speed Railway, Zhengji High-speed Railway, and Menghua Railway; Beijing-Shanghai Expressway, Guangzhou-Shenzhen River Expressway, Hainan Ring Expressway, Zhengzhou Outer Ring Elevated Road; Shenzhen Metro and Qingdao Metro , Jinan Light Rail; Hong Kong-Zhuhai-Macao Cross-Sea Bridge, Jiaozhou Bay Cross-Sea Bridge; Yangquan Coal Mine and other representative national key projects provide excellent products and good services.