China xuanda group is an ISO 9001:2000 approved
lined valve company.Xuanda maintains this accreditation through a process of continuous third party surveillance with, six monthly, annual and triennial audit taking place. The company was one of the first in the
lined valve to obtain approval to the upgraded version ISO 9001:2000.
Lined Valves | PTFE FEP Lined Valves | Rubber Lined Valves ---China corrosion resistant valves manufacturer