1.fine bubble diffuser; 2.We have made many water treatment part moulds; 3. ... . 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 provide you ... , MIX, MAX, temper ture, connection, certification, ISO, API, ISA, specification, type, etc.