... 1.With beveled end and black antirust paint 2.API,CE,ISO certificate. 3.Reasonable design, novel ... 65, WPHY 60, WPHY 52,WPHY 46,WPHY 42,API 5L GRB, X60, X65, X42,X52,ASTM A403 ... ZHEJINAG ZHONGCHENG VALVE Co.,Ltd (CE,ISO,API,CERTIFICATED MANUFACTURER tee for pipe fitting, pipe fittings. The mainly are ... used in the place owned branch pipe fittings , for its easy to use simple, widely used.in chemical ...