Through more than ten years' hard exploitation, Zhoushan Hongfa Plastic Machinery Co., Ltd. has become one of the biggest companies specialized in producing screws, barrels, precise rods, twists and steel wire in China.



Our company has strong technical power, advanced craft work, and complete producing and testing equipment. All of our products take classic 38CrMoALA as material. We take melt heat treatment processes such as determine the mature, nitriding, and precise milling, so our products feature anti-wearing, anti-erode, long lasting, and so on.



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