business services zhongbei jianyan is a professional beijing reinforcement company. the main construction projects are building reinforcement plant reinforcement, house reinforcement, concrete reinforcement, adhesive steel, and steel reinforcement, and structural enlargement section. 1 grouting, carbon fiber reinforcement, planting tendons, chemical anchor bolts, and special professional engineering construction qualifications approved by the ministry of construction. 30 beijing reinforcement company, reinforcement company, service hotline: 13520881800, engineering reinforcement, beijing building reinforcement, plant reinforcement.