Hainan De Hongsheng Supply Chain Management Co., LTD specializes in providing customers with a full range of industrial valve solutions. The main products are butterfly valve, ball valve, gate valve, stop valv...

“Want to be powerful needs to make ready the tools first" We are well aware of this, and only good management, good concepts, and good talents are not enough. Excellent equipment is also necessary to represent ...

It is precisely because we deeply understand the important role that product quality plays in business warfare that we have always adhered to strict control and inspection of every link and process, from design...

Through the study of the correlation between ISO standard and China's valve standard, we have a general understanding of the standard standard of China's valves, determine the direction and increase the intensi...