Standar:Industrial design certificate

Standar:Special engineering design certificate

Standar:Special engineering design certificate

Standar:Oversea project contracting qualification certificate

Standar:ISO 9001-2008

Standar:National tax certificate

Standar:business license

Standar:Credit rating certificate

Standar:Air purifier industry member certificate

Standar:Science and technology award of Guangdong province

Standar:Mechanical technology award of Guangdong province

Standar:CCMA testing laboratory invention and application award

Standar:Science and technology progress award