尤物在线精品视频-噜噜综合亚洲av中文无码-1区2区3区高清视频-久久伊99综合婷婷久久伊

SCIENTIFIC RESEARCH
Industry University Research

Under the global trend of green environmental protection and green materials, Zhongshi strives to set up an innovative research and development team that gathers elite forces, establish a provincial welding materials research and development engineering center, and maintain academic exchanges with Tsinghua University, University of Science and Technology Beijing, South China University of Technology, Central South University and other units for a long time. In addition, Zhongshi has also established long-term technical cooperation with Guangzhou Non-Ferrous Metals Research Institute and China-Ukraine Patton Welding Research Institute.