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![]() Shanghai Ruichang Machinery Co., Ltd was set up in 2005, we specializing in the R&D and production of plastic extrusion equipment. We have a high qualified R&D and experienced mechanical and electrical engineer team. We are the first manufacturer of the counter-rotating parallel twin-screw extruder in China. RICHON Team, according to the continuous feedback from the customer site, independently R&D the Four- Speed Gearbox - Which can Guaranteed the Screw service life for 180 days | 32%+ production energy saving ... [Details] |