... 90e(s)and90(e)s, (SLB)STREETELBOW,(TB)Tee,(R)Tee and Cross Tee,Union, (HB)Hexagon Brushing Valve series includeBall Valve, ... Valve, Globe Valve, Swing Check Valve, Spring Check Valve, Adaptor Female and son on. Niplle Series include (SR) Socket Banded, ... each fitting before delivery4.Material Chemical Composition is conformed with international standard and environmental standard5.No burrs are inside ...