Certificates

Duowei boasts a Grade-A certification for architectural engineering design. We hold several other certifications that are a testament to our expertise in the production of steel structures and building materials. Here you will see a list of our certifications.

  • FM Certificate
  • FM Certificate
  • GOST Certificate
  • Environmental Certificate
  • Occupational health Certificate
  • Quality Management System Certificate
  • China environmental protection prove - Certificate of "China Green Star"