• Occupational health and safety management certification certificate
  • Quality management system certification certificate
  • Environmental management system certification certificate
  • Construction enterprise qualification certificate
  • High-tech enterprise certificate
  • Invention patent certificate
  • A carbon fiber impregnation device
  • An automatic pressure grouting device
  • A testing device for high-strength grouting material
  • A curing device for high-strength grouting material
  • A graft adhesive injection device
  • A slurry spraying device
  • A road repair mortar application device
  • An enamel-lined reactor for carbon fiber adhesive production
  • A bearing grouting device
  • A bridge repair suspension device for municipal bridge engineering