Plastics
| Thu 07 May 2026
Beijing, May 8 -- Huzhou Zhonglei Chemical Fiber Co Ltd has submitted a patent application for Double-form Mechanical Sealing Device Special for Polyester Equipment. This invention was developed by Hu Xingqi, Pan Dongdong, Yu Xueyan, Chen Zhiqiang, Ni Yougen, Wu Bin, Cao Xiaobin, Zhou Long, Yang Jianzhong, Chen Fengfeng, Xu Fang..