ຍິນດີຕ້ອນຮັບເວັບໄຊທ໌ຂອງພວກເຮົາ!

CERTIFICATE

  • Guizhou Gaofeng attachemnt 2-ISO9001 Certificate
  • Guizhou Gaofeng API 7-1(2017-2020)
  • Guizhou Gaofeng API Q1(2017-2020)
  • ໃບຢັ້ງຢືນລະບົບ Guizhou Gaofeng Management ສິ່ງແວດລ້ອມ
  • ໃບຢັ້ງຢືນລະບົບ Guizhou Gaofeng Management ຄວາມປອດໄພ