Certificate for Promising Export Firm and Patent

• No.0284397Metal roofing tile
• No.0299796Construction board
• No.0302376Finishing materials for ceiling
• No.40-0942089Metal roofing tile and 167 items

Utility model patents

• No.0204054the prefabricated panel for the construction of the surface of a wall
• No.0227262Construction sandwich
  panel and 5items
• No.0403243Metal panel tile

• International Certification

  ISO 9001: 2008