... , one brick mould is$0 for you! HOT SALE in China Bangladeh,India, Uganda! Technical Support!! Introduction of JZK 30 ... novel structure, advanced technology, high extrusive pressure, high production and high vacuum degree. It adopts pneumatic clutch to control. ... steel2. low cost , reliable performance, rational structure3. solid and during propertities4. easy to operate, low energy consumption Clay as ...