Pump casing is made of glass hard copper alloy, wear-resisting and corrosion-resistant. Its dimensional precision is ensured by digital control process center. There are many models to choose from, its diameter ranging from 9 to 20, with hole 240, hole 192, and hole 160 in a line. There is also pump casing with filling, and holes on it are arranged in a reasonable way, meeting customers' demands for diversity.

Molding is made according to customers' requirements, and its arrangement is designed by engineers to yield the best effects. Molding is die-cast with copper alloy, with its surface sprayed with antisticking dope. Molding is clean, with clear moulage and adhering no powder. The molding frame is easy and convenient to be disassembled.