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patent certificate
Our company is one of the leading enterprises which first obtained the national boiler manufacturing license in China.

ASME CERTIFICATE
ASME CERTIFICATE
EAC CERTIFICATE
EAC CERTIFICATE
ISO CERTIFICATE
ISO CERTIFICATE
ISO CERTIFICATE
Yuanda Boiler CE Certificate
PATENT CERTIFICATE
PATENT CERTIFICATE
PATENT CERTIFICATE
PATENT CERTIFICATE
PATENT CERTIFICATE
PATENT CERTIFICATE