tie-in 1.Fitting's Material:PVC, PP, PPR,and so on 2.Make mould for all these fittings 3.Certificate:ISO9001 tie ... Material:PVC, PP, PPR,and so on2.Make mould for all these fittings3.Certificate:ISO90014.Now we have:1)3sets of ... cutting machine4)Totally there are 21 sets injection machines, and in store about thousand mould.5)Tens of milling machines ,lathes ...