Who We Are
Laizhou Dongsheng Valve Co., Ltd is a professional valve plant, is a collection of research and development, design, the manufacture, the sale of integrated specialized company since 2002. We hold a set of scientific and strict management system, strong technical force, advanced processing equipment and reasonable technical progress, high technology and quality technicians and workers. Our factory area is 30,000 square meter and have 148 employees. After 19 years of focus, we have developed into a world-renowned check valve production base, and our products are exported to Europe, America, Africa, Southeast Asia, Australia and other more than 70 countries and regions.
What We Do
Our main products are series of check valves, including all kinds of single disc swing check valve, double disc swing check valve, flange and threaded ball check valve, flange and wafer type silent check valve, lift check valve, diaphragm valve, ball valve and butterfly valve etc. The products are widely used in petroleum, chemical industry, water supply and drainage, mining, water purification equipment, steam, fluid food and other pipeline systems, focusing on high-end valve products in the European and American market. The company has advanced production technology, equipment, management and control system and standard, and has passed ISO9001 quality system certification and CE certificate.
The company was established in 2002 and initially focused on the production of butterfly valves.
In the past two decades of development, the company has formed four major valve series including check valves, diaphragm valves, ball valves and butterfly valves, with dozens of products and hundreds of specifications. The materials involve cast iron, cast steel, cast copper and stainless steel.
The company has completed the industrial upgrade of a series of structural products from a single product in the past. Now it has developed into a world-renowned non-return valve production base, and the company's products are exported to more than 70 countries and regions such as Europe, America, Africa, Southeast Asia, and Australia.