... inspection. ApplicationPetroleum, chemical, power, gas, metallurgy, shipbuilding,construction, etcTypeSlip-On, Welding Neck, Blind, Socket Welding, Threaded and Joint etc. Note ... third-grade metering, the People's Republic of China on the Administration of Production License for industrial products, ETC. ... supply, competitive price and best service. Stainless Steel Slip-on Flange-pipe fittings