上海留森模具科技有限公司由**的模具设计工程师创立，本着“科技改变生活，知识改变命运” 的信念，潜心研究PVC发泡板模具，结合多年设计板、片材挤出模具的经验，经过多次的设计和试验，成功开发出没有阻流棒、没有活动模唇，上模整体式模口弹 性微调的新款PVC发泡板模具，解决了一直以来困扰PVC发泡板制品厂家开机时间短、制品板断切面密度不均匀，板面**械纹（长度方向的板面伤痕）的缺 陷。
成功案例：广东广洋高科、河北康辉塑胶、成都缘丰、杭州潇丹、杭州昌正、广东爱博、山东**天塑胶、山东桑园塑胶、上海赞海…….制品厂家。
Shanghai LiuSen T-die Technology Co., Ltd. with the idea of “Technology changes life and knowledge changes fate”, was founded by professional T-die design engineers. 
Our company has researched and developed the PVC foam board T-die for many years and we have accumulated lots of experience on sheet and board extrusion T-dies. With many times designing and testing, we have successfully developed a new PVC foam board T-die which has no choke bars, no movable die lip, elastic micro adjustment die lip gap. This T-die has solved the problems of short running cycle, uneven density, mechanical mark on the product surface.
Some of our domestic customers: Guangdong Guangyang Gaoke Co, Hebei Kang Hui plastic Co, Chengdu Fengyan Co, Hangzhou Xiaodan Co, Hangzhou Changzheng Co, Guangdong Aibo Co, Shandong Dintian Plastic Co, Shandong Shanyuan Plastic Co, Shanghai Zhanhai Co.