INTERNATIONAL PATENT: SHENZHEN TUOZHU TECHNOLOGY CO., LTD., 深圳拓竹科技有限公司 FILES APPLICATION FOR "3D PRINTING FILAMENT FORMING DEVICE, 3D PRINTING FILAMENT COLORING DEVICE, 3D PRINTING TOOL HEAD AND 3D PRINTING APPARATUS"

GENEVA, May 3 -- SHENZHEN TUOZHU TECHNOLOGY CO., LTD. (903, West Zone, Hengchang Science and Technology Building, No. 2228 Linhai Avenue, Nanshan Street,Qianhai Shengang Cooperation ZoneShenzhen, Guangdong 518000), 深圳拓竹科技有限公司 (中国广东省深圳市前海深港合作区南山街道临海大道2228号恒昌科技大厦西区903) filed a patent application (PCT/CN2025/144152) for "3D PRINTING FILAMENT FORMING DEVICE, 3D PRINTING FILAMENT COLORING DEVICE, 3D PRINTING TOOL HEAD, AND 3D PRINTING APPARATUS" on Dec 20, ...