Business license
High-tech Enterprise Certificate
honor certificate
Patent certificate
Occupational health and safety
Quality management system
Environmental management system certification
China Membrane Industry Association Membership Certificate
Health permit
Health permit
Contract-abiding and trustworthy enterprise
Municipal “Specialized, Specialized, New” SME
Municipal Enterprise Technology Center
National High-Tech Enterprise
Shandong University of Technology Teaching and Research Practice Base
Scientific and technological achievements transformation base