... We are a Chinese factory good at making fine bubble diffuser part moulds.We have more than 16 years of ... making fine bubble diffuser moulds.We can ensure customer:1. We can ... ., made of ABS, U-PVC, C-PVC, PP-R, PE, PE-RT, POM and other material.3. We can provide moulds ... . made of ABS, U-PVC, C-PVC, PP-R, PE, PE-RT, POM and other material. Form as thread, socket, male ...