Sewage Disposal Duckbill Check Valve With Corrosion And Aging Resistance

Henan Liwei Industry Co., Ltd. was founded in 1988, covering an area of 42000 square meters. It is a manufacturing enterprise specializing in the research and development, production, and sales of anti-corrosion pipeline lining, flexible rubber joints, metal joints, rubber pipes, plates, belts, and other products. It has a production capacity of 18000 tons/year for pipeline lining, 20000 sets of compensators, and an output value of 200 million yuan.

As of now, the products that have been developed and put into production include: 1. anti-corrosion lining products, covering various models of ordinary steel pipe fittings, alloy materials, various valves, valve bodies, tank bodies, etc;2. The rubber compensator series products include more than 40 specifications and models in 5 major series, including single ball, double ball, multi ball, integrated molding, and winding molding; 3. Steel joints, bellows expansion joints, and other products.It is a member of China Water Supply and Drainage Association, China Corrosion Prevention Technology Association, China Nuclear Energy Industry Association, and the drafting unit of GB/T-26121-2010 Flexible Rubber Joints standard.

Since the company was founded, it has applied for more than thirty utility model patents, and it is one of the enterprises that formulated the national standard of GB/T2010 Flexible Rubber Joints. In 2009, Zhengzhou City Compensator R & D Center was established, and in 2021, it was approved by the Department of Science and Technology and determined to be the provincial-level Compensator Technology Research Center.Has been awarded the "Demonstration Enterprise for Open and Democratic Management of Factory Affairs" at the provincial and municipal levels, the "Enterprise for Adhering to Integrity and Trustworthiness" at the provincial level, and the "Famous Trademark" at the provincial level;The title of "Best Employer" at the municipal level, the demonstration enterprise for patent work at the municipal level, and the assessment of "Taxpaying A-level Enterprise" by the State Administration of Taxation,The company's products were identified as the first batch of high-quality industrial products in Henan Province in 2016 by 12 departments including the Henan Provincial Commission of Industry and Information Technology, Henan Provincial Development and Reform Commission, Henan Provincial Administration for Industry and Commerce, Henan Provincial Department of Finance, and Henan Provincial Department of Science and Technology, jointly issuing a document titled "Yugongxinlian Run (2016) No. 153".

The company's development philosophy is to create value through management, enhance advantages through service, prioritize quality, and prioritize service; Unity, innovation, pragmatism, and progress are the unwavering pursuit of the company. In every period in the future, the company will double cherish every honor, adhere to the business philosophy of "quality first, user first, prospering with quality, and winning with excellence", continuously contribute high-quality products to society, create brilliant achievements, and strive to achieve the Chinese Dream together!