As a professional manufacturer of plastic&rubber testing
machines, Shijiazhuang Zhongshi Testing Machine Co., Ltd. is a
high-tech company integrated by R&D, manufacturing, marketing
and relative service as well. The registered trademark Zhongshi”
enjoys respected reputation in our industry.
Historic milestones:
1. In April 1999, the company is established.
2. In September 2000, the company is accredited as a high-tech
company by Sci-Tech Commission of Hebei province.
3. In January 2001, the company is awarded High quality brand for
testing equipment” by Plastic Piping Sub-Committee Affiliated with
China Plastic Industry Association.
4. In May 2001, the company won the honor of "star enterprise of
manufacturing testing equipments for plastic windows doors and
pipes" of Hebei Construction Bureau.
5. In November 2003, working conference of PPIA is held in our
company.
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) .