firstly, Weixing Pipe Industry is a listed company: Weixing New Materials 2372 and Weixing Shares 23, and a large group company supports your after-sales service. Secondly, Weixing is the main choice in the south, which shows that Weixing is more cost-effective. Thirdly, the Bird's Nest, Water Cube, Athletes' Dormitory and Laoshan Bicycle Gymnasium of the Beijing Olympic Project mostly use Weixing products. Without the best quality, these world-class buildings will not be used. China Pavilion, including the 21 World Expo, was managed by Wei Xing. Fourthly, Shenzhen Vanke, Zhejiang Greentown, Greenland, Centrino, Shanghai Fuxing and Haier Group are all the longest-term suppliers who adopt Weixing. Fifth, Weixing is a well-known trademark in China and a famous brand in China. Sixth, the raw materials of satellite tube are all pure imported raw materials, and all of them have import customs declaration forms.