Building the Hengkai brand and walking at the forefront of the pyrite sub industry

Qualification Honor


R & D center certificate

R & D center certificate

Business License

Business License

Contract-abiding and trustworthy enterprise

Contract-abiding and trustworthy enterprise

Invention patent certificate

Invention patent certificate

Utility model patent certificate

Utility model patent certificate

Utility Model Patent Certificate -2

Utility Model Patent Certificate -2

Utility Model Patent Certificate -3

Utility Model Patent Certificate -3

Utility Model Patent Certificate -4

Utility Model Patent Certificate -4

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