plastic tie-in 1.Fitting's Material:PVC, PP, PPR,and so on ... .Make mould for all these fittings 3.Certificate:ISO9001 plastic tie-in1.Fitting's Material:PVC, PP, PPR,and so on2 ... cutting machine4)Totally there are 21 sets injection machines, and in store about thousand mould.5)Tens of milling machines ,lathes ... nipple ,one end threaded and one end with bayonet plastic tie-in