Qingdao built China's largest ship repairing base, Zhang Guobao, attended the ceremony
Category: 202210
Qingdao built China's largest ship repairing base, Zhang Guobao, attended the ceremony
Metal cutting tools for excellence in aviation manufacturing
Timken: wind turbine with one end bearing floating and the other end bearing fixed
Chongqing Dazu Hardware Industry Development Plan passed expert review
South Korea officially approves genetically modified soybeans