Beijing
Dongcheng District
No.21 Commercial Services
No.52 Engineering Bidding Agency
No.58 International Bidding
No.62 Zhi Ye Jian Kang An Quan Guan Li Ti Xi Certification
No.64 Engineering Bidding
No.65 Finance Management
No.74 Engineering Bidding
Bidding Bidding
Bidding Agency
Litigation Arbitration
International Engineering
Bidding
省部级科技进步奖
科技进步奖
ISO14001认证
GB/T28001认证
GB/T24001认证