- Enterprise credit rating certificate
- Ningxia power grid electrical products network license
- Electrical products network license
- Ji'nan electric power network member certificate
- Ministry of machinery industry (transformer) model certificate of registrat
- Huaxin ISO9001
- Heilongjiang province electric power company supplies network access certificate
- Henan Electric Power Bureau electrical equipment network access license certificate
- International ISO9001
- Guangzhou famous trademark certificate
- Guangxi electric power industry bureau network license
- Guangdong Province social organizations membership card