The cooperation with the State Grid Corporation of China involves Hubei, Anhui, Tibet, Henan, Shanghai, etc. Its China Grid Hubei Power Supply Company was on May 27, 2015, the first batch of distribution network equipment material agreement inventory tenders to purchase angle steel tower 1100 Tons, on January 14, 2016, State Grid Hubei agreed to purchase 780 tons of steel pipe rods, and on December 12, 2018, State Grid Anhui 2018 fourth distribution network material agreement inventory bidding project package 11: 810 tons of steel pipe rods, 2019 On May 24, 2019, the first distribution network material agreement inventory bidding project of State Grid Tibet Electric Power Co., Ltd. was 183.6 tons of steel poles. On January 7, 2020, the third batch of distribution network agreement inventory bidding project of State Grid Henan Electric Power Co., Ltd. 570 tons of steel pipe rods. On June 15, 2021, the State Grid Tibet Electric Power Co., Ltd. will purchase 262.62 tons of steel pipe rods for the first distribution network material agreement inventory bidding purchase project in 2021.