Shanghai Tanzheng Industry Co., Ltd. there are 2 subordinate factories, they are Jiangxi Yushan New Material Co., LTD and HUATE (KUNSHAN) PLASTIC TECHNOLOGY CO.,LTD.Jiangxi Yushan New Material Co., LTD covers an area of 31,000 square meters and its main business projects include silicone products, maternal and infant products, glass products, plastic products and their accessories, metal products and their accessories. Strictly implement the requirements of the QS certification system and pass ...