Guangzhou Branch:
Tel: +86-20-66652690
Fax: +86-20-34397230
Mob:+86 13434227916
E-mail:enquiry@gnsealant.com

Gunuo Tianjin Industrial Co.,Ltd.
Email: enquiry@gnsealant.com
Certificates
GNS product are complied with American standard, European standard, China standard and some other international standards. And how do you know which manufacturer can supply the good quality products with high safety standard? As it is chemical product, it is necessary to be certified by the authoritative third party. 
GNS is inspected by third party and approved to be of high standard. The following are our certificates from international authoritative third parties. For more information, please email us.
  • verification of compliance

  • Production Assessmen...

  • Production Assessmen...

  • Production Assessmen...

  • National Approved St...

  • Membership Certifaca...

  • ISO14001

  • ISO9001

  • FDA Test Report

  • European Standard IS...

  • British Standard BS5...

  • American Standard AS...

  • American Standard AS...