ZHOUSHAN SITONG PLASTIC MACHINERY CO., LTD.Zhoushan Sitong Plastic Machinery Co., Ltd. is a company that specializes in producing precision screws and glue ....Address:Dinghai District, zhoushan, zhejaing, ChinaZHOUSHAN TONGFA MACHINERY CO., LTDOur company is located in "China Plastics Screw City" - Dinghai District, Zhou Shan City, Zhejiang, area ....Address:YANCANG, ZHOUSHAN, ZHEJIANG, ChinaZhejiang Zhongyang Screw And Barrel ManufacturingOur factory manufactured with high-quality material, applying the method of hardening and tempering nitriding, ....Address:Ligang 2nd Industrial Park, Jintang Town, Zhoushan City, Zhejiang, China, Zhoushan, Zhejiang, China 1
