ZHONGSHI

Zhongshi is China's leading supplier of Plastics Testing Equipment,Rubber Testing Equipment,manufacture and service providers... 6. In February 2005, Our company becomes a membership unit of Pipes and Valves Sub Commission of National Technical Committee of Standardization for Plastic Products. (TC48/SC3), participating and formulating the following national standards: Pipes standard of buried PP pipes for water supply (QB/T1929-2006) (has been promulgated) Thermoplastics piping systems for hot and cold water supply, Test method for the resistance of pipes and fittings mounted assemblies to thermal cycling (GB/T19993-2005) (has been promulgated) Plastic valves national standard (in authorization) .

Primary location: Shijiazhuang China