business license

Production License

Meeting permit

Overall contracting comprehensive strength of the best refractory enterprises

Import and export qualification certificate

Liaoning Provincial Foreign Trade Enterprise Association Group Membership Certificate

Saddle refractory strategic cooperation supplier

The executive director unit of the second council of Yingkou City Refractory Association

Sanxing Enterprise

Liaoning Province AAA-level credit enterprise

AAA unit

Research Institute of Iron and Steel Research Institute

Research Institute of Iron and Steel Research Institute

Metallurgical engineering construction general contracting level iii

Environmental Management System Certificate

Occupational Health and Safety Management System Certification

Quality Management System Certificate

Safety standardized production level three enterprises