Rubber
| Tue 07 Apr 2026
Beijing, April 8 -- Henan Longyu Energy Co Ltd has obtained a patent for automatic roller rubber coating device. This invention was developed by Wang Tao, Zheng Ruiping, Zhao Bowen, Xiao Wei, Zhang Zhongyuan, Cheng Yongtao, Li Jiayin, Wang Ning and Wang Zhenkun.
The patent application number is CN202422636121U 20241030. The p..