Tender agency companies include: Guoyi Tendering, AVIC Tendering, CPCEC, Gongcheng Management, and Guoxin Tendering.

1. Guoyi Tendering

Combining bidding agency services and bidding value-added services, Guoyi Tendering is committed to providing customers with a full-process bidding and procurement agency service provider.

2. AVIC Tendering

The company’s bidding business includes three categories: cargo, engineering and service bidding, involving aviation, aerospace, military, electronics, medical and other industries, with service scope covering Government procurement, international bidding for mechanical and electrical products, engineering construction projects and other fields.

3. CPCEC

The company is the initiator and leader of China's power bidding and procurement, equipment complete sets, engineering consulting, and equipment supervision service industries. It is a member of the "Power Engineering Equipment Tendering Procedures and Tendering The developer of the "Sample Documents" and the "Sample Technical Specifications for International Bidding Documents for Power Transmission and Transformation Equipment".

4. Gongcheng Management

The company’s bidding business started in 2000. After years of experience, it has grown into a large-scale, strong, high-reputation, and Full range of tendering agencies. Currently, it has Class A qualification as a bidding agent for telecommunications construction projects, Class B qualification as a bidding agent for international mechanical and electrical products, and Class B qualification as a bidding agent for central investment projects.

5. Guosen Tendering

The business scope covers bidding agency, engineering consulting, cost consulting, engineering supervision, project management, investment and financing consulting, Internet technology, international trade and other fields . It has Class A qualifications for various types of bidding and procurement agents, engineering consulting, engineering cost consulting, and engineering supervision consulting.