... or gas transport 3)Certificate:ISO9001 4)Material:copper brass pipe fittingOffer machining parts, precision parts, CNC machining parts, CNC ... strict tolerance, can reach 0.002mm. 2. Equipments: Normal lathe, Automatic lathes, CNC lathe, CNC center machine, milling, drilling, grinding machines ... , stationery, furniture, machinery, sanitary etc. 4. OEM order is welcome high quality brass pipe fittings