上海留森模具科技有限公司由專業的模具設計工程師創立，本著“科技改變生活，知識改變命運” 的信念，潛心研究PVC發泡板模具，結合多年設計板、片材擠出模具的經驗，經過多次的設計和試驗，成功開發出沒有阻流棒、沒有活動模唇，上模整體式模口彈 性微調的新款PVC發泡板模具，解決了一直以來困擾PVC發泡板制品廠家開機時間短、制品板斷切面密度不均勻，板面有機械紋（長度方向的板面傷痕）的缺 陷。
成功案例：廣東廣洋高科、河北康輝塑膠、成都緣豐、杭州瀟丹、杭州昌正、廣東愛博、山東頂天塑膠、山東桑園塑膠、上海贊海…….制品廠家。
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.