ERA Piping Systems, PVC Pipe Fitting , STRAIGHT TEE, PN16(DIN8063) Socket, DVGW Research Institute 1. CNAS ISO 17025 ACCREDITED LAB, be able to issue test report on Chinese standard with CANAS. 2. IAPMO RESEARCH AND TEST ,INC. ACCREDITED LAB , accredited to issue test reports on Standards: ASTM...