There are two types of threaded pipe fittings. One is pipe threaded pipe fittings. There are pipe couplings, nipples, pipe hose barbs. The thickness and length can be customized according to customer requirements. The outer surface is Polishing treatment; the other is a casting threaded fitting, with female threaded elbows, hexagonal nipples, hexagonal hose nipples, female thread tees, female thread unions, female thread plugs, threaded caps, bushing, reducing tees, reducing sockets, etc.