Textile
| Mon 04 May 2026
Beijing, May 4 -- Haining Sende Leather Co Ltd has submitted a patent application for Chrome-free Tanning Leather Production Method and System. This invention was developed by Sun Lei, Li Jiangdong, Zhu Liqun, Wang Yi, Wang Lichuang, Meng Qingyun, Zhang Bo, Tang Zhihai, Wang Zhangqiang, Ji Xiaoming, Zhu Tao, Shen Yuping, Chen Da..