... 2"-48" 5.Competitive price. 1.The related productsNAMEFLANGEELBOWREDUCERTEE JOINTCAPCERTIFICATEISO9001 :2OOOTYPEPL WN SW ... kind of chemical pipeline, the petroleum pipeline, the fire pipeline, the fire pipeline, the ships, the steam conduit, equipment' ... 8.5 million yuan, 280 employees of the municipal advanced enterprises. Strong technical force, ...