We directly produce the products at our affiliated companies to always maintain the high quality of our major productions.  Our raw materials are made out of the resources that undergo strict and thorough inspections.  

The processing of SHANGHENG valves is done in CNC line for accurate production and the processing machineries and lines are composed by our accumulated technology for the characteristics and purposes of each item.  Each production line is always tested and inspected by skilled inspectors to prevent possible problems or defects for the production of perfect products.