... ,TP316L 3Honor: CE/PED,ABS, DNV ,GL,LR we are fitting manufacture factory 1)Material:SS 304/321/316 2)Threaded ... end :NPT/ BSPT all of our pipe nipples are to be inspected by many prosedures formally. they ... ; 3, SOME SPECIAL STANDARDS ACCORDING TO BUYERS REQUEST.PACKAGING DETAIL: PIPE FITTING; PLASTIC FIRST, THEN CARTON, LAST IN POLYWOOD VALVE; CARTON FIRST, THEN ...