CM-12 blow molding machine is especially used to produce 3 gallon and 5 gallon bottles and is widely used to produce any shape of plastic from PET with neck finishes from 15mm- 200mm. ? Perfect function with economic investment. ? Small size and compact construction with no space waste. ? Easy to operate and maintain ,operation by one person . ? Saving power and uneasy to worn out ,Adopting new double crank four bars to lock mould, the cross fixed. Providing high pressure blowing system.