Sertipiko

rth (1)

Beijing YHR ISO9001 Certificate

rth (2)

Beijing YHR ISO14001 Certificate

rth (3)

Beijing YHR ISO45001 Certificate

fgn

Tangshan YHR ISO14001 Certifiate

rtj

Tangshan YHR ISO9001 Certificate

rth

Tangshan YHR ISO45001 Certificate

Lisensya sa Produksyon ng Kaligtasan

Lisensya sa Produksyon ng Kaligtasan

NSF_ANSI 61 Certificate

NSF_ANSI 61 Certificate

Sertipiko (7)

High-Tech Enterprise Certificate