Rui'an Yumin Machine Screw Co., Ltd. specializes in manufacturing and researching various screws, barrels, moulds and gearboxes which are fit for plastic extrusion machines, plastic wire-drawing machines, plastic film-blowing machine and plastic injection molding machines. Our products sell well not only in 34 provinces, cities and autonomous regions in China, but also in Hong Kong, Macao and Taiwan area and Vietnam. According to our large-scale production, we continuously improve the quality assurance system and implement standardized management. We insist on the spirit of "innovation for development together with our cooperators". ... 
China