Professional research, development and production of shoe soles with help forming machine (polyurethane soles machine, the polyurethane even help molding machine), high-pressure polyurethane foam machine, LD-40A series cyclopentane high pressure foaming machine, low pressure polyurethane foam machine, polyurethane low temperature elastomer pouring machine, polyurethane precision cans pouring machine (polyurethane casting machine), LD-602W series seal molding machine, LD-602S low-pressure testing machine and various types of polyurethane production lines and other equipment