国产丰满乱子伦无码专区_天天亚洲欧美日韩久久_在线观看三级无码视频_亚洲国产成人精品无码区四虎波多野结衣_制服丝袜无码专区亚洲_人妻在线超频av_大学生一级毛片全黄毛片黄_国产在线观看香蕉视频网_成年女人免费视频试看46_久久国产高潮流白浆免费观看

Zhoushan Sanzhong Plastic Machinery Co., Ltd. provides all kinds of screw for you, welcome to consult!

ABOUT US

Zhoushan Sanzhong Plastic Machinery Co., Ltd. is located in Dinghai, Zhoushan. It is a professional manufacturer of various injection molding machines, extruders, chemical fiber machines, glue melting machines, rubber machine barrel screws and their accessories. The products are made of high-quality nitrided steel (38CrMoAlA), refined by quenching and tempering, molding, qualitative, nitriding (or spray welding double alloy), fine grinding, polishing and other processes. At the same time, the company also has a complete set of quality management system to ensure that there is no worry after the use of products. Our products are all over the country, and the product quality has been recognized by many famous domestic plastic machine manufacturers. In the fierce market competition, we make continuous efforts and enterprising spirit. Strive to the latest concept and advanced technology and equipment to meet the needs of domestic and foreign customers.
The company can also undertake surveying and mapping, design, transformation and batch processing business, and make full use of our screw design experience, so that customers can get more products!

PRODUCT RECOMMENDATION