• International certification
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  • Asian certification area
  • Middle East certification area
  • African certification area
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• Domestic certification
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• System authentication
• CCC certification area
• Chemical authentication

TEL: +86-755-29484580
FAX: +86-755-29484580
E-mail:  hso@hso-test.com
ADDRESS: 713, No. 6321, BBao’an Avenue, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China