HCB product passed attestation by American Underwriters Laboratories Inc.
No.MH 10060 

HCB product passed attestation by EPRE,
No.02 031073 02 

 
HCB product passed attestation by nqa,
No.03007

HCB Company passed attestation by BCC.
No.01606Q10713R1M  

 
UN Certificate

HCB honored with new & high technology,
No.0742001B0167