0317-6628077
0317-6628077
Drinking Water Sanitation and Safety License 2
Approval of Drinking Water Sanitation and Safety Permit
Quality Certificate USA18Q43003R2M
Production Certificate1 USA17S21853ROM
Production Certificate USA17S21853ROM
Special Equipment Manufacturing License
Certificate of High-tech Enterprise
Permit for Discharge of Pollutants in Hebei Province
Membership Certificate of Hebei Civil Architecture Society
Hebei Science and Technology Small and Medium-sized Enterpri
+86-0317-6628077
There are a lot of pipes used in industry, so the choice of pipes should be based on the facts or requirements, in order to meet the safety and benefits of the work. The types of pipes used in municipal functions are quite different. The ch...【查看详情】
1. Since the mid-1950s, polyethylene pipes have been used in municipal gas projects in western developed countries. At present, the annual consumption of polyethylene pipes in the world has exceeded 1 million tons. The application of buried...【查看详情】