Qualification

About us

Rely on science and technology to develop enterprises,Build Jinggong brand

Qualification

The qualification witnesses the strength, the strength witnesses the brilliance
  • Patent certificate(ZL201920786625.3)

    Patent certificate(ZL201920786625.3)

  • Patent certificate(ZL201530002399.2)

    Patent certificate(ZL201530002399.2)

  • Patent certificate(ZL201620674275.8)

    Patent certificate(ZL201620674275.8)

  • Patent certificate(ZL201420762624.2)

    Patent certificate(ZL201420762624.2)

  • Patent certificate(ZL201420840442.2)

    Patent certificate(ZL201420840442.2)

  • Patent certificate(ZL201420762595.X)

    Patent certificate(ZL201420762595.X)

  • Patent certificate(ZL201420141510.6)

    Patent certificate(ZL201420141510.6)

  • Qualification certificate of measurement

    Qualification certificate of measurement