Chemicals
| Tue 09 Jun 2026
Beijing, June 9 -- Shanghai Xingyu Ecosil Surface Mat Co Ltd has sought patent for Chromium-free Surface Passivation Treatment Liquid and Application Thereof. This invention was developed by Lu Haitao, Zhu Danqing, Zhang Shaohuan, Gao Yongqiang, Ni Jungang, Shi Huangrong, Li Lin and Yu Wei.
The patent application number is CN..