Medium alkali yarn fiber is suitable for weaving medium alkali mesh cloth, medium alkali glass fiber net, medium alkali press cloth, medium alkali expanded cloth, etc.
Brass water ball valve mainly used in water and other liquid . the working pressure usual is betweeen PN16-PN30.The sphere of the ball valve is fixed and does not move after pressure.
Product Name: Seamless niobium tubeIntroduction: Seamless niobium tube is the production process of (1) selection of materials; (2) processing of centering holes; (3) application of protective coating; (4) heating; (5) perforation; (6) rolling tube; (7) s