About Zhiqiang

About zhiqiang

It has taken the lead in the industry to pass ISO9001:2008; ISO14001:2004; OHSAS18001:2007 system certification. It has successively won the "Tianjin Famous Trademark"; "Tianjin High-tech Enterprise"; Special Equipment Manufacturing License (Pressure Pipe Components); Member of Tianjin Heating Association; "Entrusted Enterprise of Building Materials Industry in Bohai Sea Area (Grade AAA)" ; "Observe contracts and keep promise unit”. In 2011, it was ranked third by the City Building Materials Association. It can produce various specifications of HDPE water supply pipe, buried polyethylene (PE) gas pipe, high density PE-RTII type heat insulation and energy saving pipe, double wall corrugated drainage pipe, steel-plastic composite pipe and MPP power cable protection pipe to meet the product requirements of customers at different levels.