... produce all pipes with standard specifications and well-appointed fittings. PE pipe fittingsReducer,Flange,Equal tee,Unequal tee,Cross,90° ... elbow,Electro-fusion coupler,Electro-fusion equal teePP-R pipe fittingsPipe sleeve, Equal tee, Equal coupler, Unequal tee ... PVC pipe fittingsEqual tee, 90°Elbow, 45°Elbow, Unequal tee, Reducer, Union, Socket ball valve, Screwed ball valve, Handle butterfly valve, ...