Plastics
| Fri 07 Aug 2026
Beijing, Aug. 7 -- China Huanqiu Contracting & Engineering and China National Petroleum have sought patent for Supporting Assembly, Heat Insulation Supporting Structure and Film Container. This invention was developed by Zhang Jinwei, Li Xiaobo, Cheng Wei, Gao Xian, Li Jinguang, Xing Le, Xia Gangning, Du Yu and Zhang Boxi.
Th..