Zhoushan Changjia Plastic Machinery Co., Ltd.
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Professional producer of various types screw rods for cylinders of extruders and injection molding machines. It is also able to customize specific products according to the users' requirements and serve its users with designing of sample preparation.
This Company's products are based upon high quality steel 38CrMoALA, which is conditioned, surface nitridized (or coated with hard alloy) and polished, showing very high precision, wear resistance and long service life, therefore, used by many famous brand molding machines at home and abroad. |
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