Henan Weizhong. According to the official website of Aiqicha, Henan Weizhong General Contracting requires the team to use companies at the level of roads, bridges, and tunnels to directly sign an agreement with Weizhong for a project volume of 8 to 10 billion to become a platform company. If you can't finish it yourself, you can go outside. Subcontracting, project content: high-speed railway foundation, bridges and tunnels, commercial and mixed stations, demolition, etc.