Group 1 - The company, Yuzhong Sanxia A, has provided coating services for significant aerospace projects, including the "Tiangong-1" target spacecraft, Shenzhou-9 manned spacecraft, and Long March 2F carrier rocket [1] - In 2012, the company was awarded a supplier medal by China Aerospace Science and Technology Corporation (CASC) [1] - The company's main products currently include heavy-duty anti-corrosion paint and radiation cooling materials [1]