plastic tie-in 1.Fitting's Material:PVC, PP, PPR,and so ... all these fittings 3.Certificate:ISO9001 plastic tie-in1.Fitting's Material:PVC, PP, PPR,and so on2 ... )Totally there are 21 sets injection machines, and in store about thousand mould.5)Tens of milling machines ... machining progress and mould finishing schedule In-time mould test and sample delivery In-time mould delivery. plastic tie-in fitting