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EC Type Examination Certificate
EC Type Examination Certificate
Qualified Vendor Certificate
Qualified Vendor Certificate
Manufacture License of Special Equipment
Manufacture License of Special Equipment
ISO 9001:2008
ISO 9001:2008
YAAO Register Trademark
YAAO Register Trademark
Special Equipment Type-examination Certificate for Gate Valve
Special Equipment Type-examination Certificate for Gate Valve
Special Equipment Type-examination Certificate for Ball Valve
Special Equipment Type-examination Certificate for Ball Valve
Special Equipment Type-examination Certificate for Globe Valve
Special Equipment Type-examination Certificate for Globe Valve