4 Certificate for Designing Pressure Vessels 4 Certificate of National Second-class Enterprise
4 Certificate for manufacturing Pressure Vessels 4 Bronze Medal for Metrological Qualification Enterprise
4 Quality System Identification for Aviation Industry 4 Bronze Medal for Quality Management issued by Aerospace Industry Ministry
4 ISO9001Quality System Identification 4 Bronze Medal for Advanced Unit Adopting International Standard issued by Provincial Office of National Defense Scientific and Technological Industry
4 Production Certificate 4 Bronze Medal for Advanced Enterprise of Safety Production issued by Provincial Office of Machinery Industry
4 Qualification for Import & Export Enterprise 4 Certificate of Prize for "Lanyi" 0.5 ton Liquid Chlorine Steel Cylinder
4 Production Certificate for Civil Nuclear Pressure-bearing Equipment 4 Certificate of High-Quality Product for YP20-800 Liquid Chlorine Steel Cylinder
4 Container Certificate issued by China Classification Society 4 Certificate of Provincial High-Quality Product for "Lanyi" RP-40L Dissolved Acetylene Cylinder
4 Test report for Container approved by China Classification Society 4 Certificate of Prize for Superior New Product
4 Certificate of prototype Container Approval issued by China Classification Society 4 Qualification of Weldor Test for Boiler and Pressure Vessels