PP and PVC pipe fitting with collapsible core mould and HDPE fitting mould, were the two most difficult fitting mould, as the collapsible core need special design and high precise process,while the HDPE fitting have to control the roundness very well. You will find perfect solutions for these problems. Angle Mould currently is studying solutions how to compensate deform on PPR fitting mould, especially for big size fitting fitting with metal insert…