Zhoushan Changjia Plastic machinery Co., LTD is located in the middle of Jintang Island of the city of Zhoushan,As is a professional China High Speed Screw Manufacturers
and High Speed Screw factory
, Company combines scientific research development, production and business operation and business property as a whole,our High Speed Screw 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. we are also able to customize specific products according to the users' requirements and serve its users with designing of sample preparation. our factory providing its users with wholesale High Speed Screw
of reliable performance, good quality and reasonable price. It is sincerely inviting clients, both new and old, to give instruction and to negotiate for cooperation so as to achieve shared success.