State grid materials company is not easy to enter; State Grid Materials Co., Ltd. was officially unveiled in Beijing on February 9, 20 12, which is a major deployment made by State Grid Corporation from the strategic height of deepening "two transformations" and building "three sets of five systems". State Grid Materials Co., Ltd. is a wholly-owned subsidiary of State Grid Corporation of China, a centralized bidding platform for the company, and a professional organization that undertakes logistics services at the headquarters level.