Tiêu chuẩn:Industrial design certificate

Tiêu chuẩn:Special engineering design certificate

Tiêu chuẩn:Special engineering design certificate

Tiêu chuẩn:Oversea project contracting qualification certificate

Tiêu chuẩn:ISO 9001-2008

Tiêu chuẩn:National tax certificate

Tiêu chuẩn:business license

Tiêu chuẩn:Credit rating certificate

Tiêu chuẩn:Air purifier industry member certificate

Tiêu chuẩn:Science and technology award of Guangdong province

Tiêu chuẩn:Mechanical technology award of Guangdong province

Tiêu chuẩn:CCMA testing laboratory invention and application award

Tiêu chuẩn:Science and technology progress award