... B16.526"to 80" ASME B16.47TypeWNF, SO, SWF, BL, OF,LF,PLFaceRF, FF, MF, MFM, RJ, TG, RTJ, SRF,PressureClass ... Mangement System Certificate,OHSAS18001 Occupational Health & Safety MangementSystem Certificate, acquired the license for manufacturing special pressure Pipline equipmentsfrom AQSIQ ,etcpackingin wooded ...