... 1989, Huida almost has 21 years experience in manufacturing pipe fitting moulds for PVC, PP/PPH, PPR, HDPE ... for mould manufactureModel: PP/PP-H Pipe fitting mouldCategory: PP/PP-H Pipe fitting mould > PPH Sanitary Mould Description ... & confirmStep 4Steel material purchaseStep 5Machine process(CNC, sparking machine, boring machine) & mould makers installStep 6Mould testingStep 7Send the samples ...