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WarmlycongratulationstoTaizhouHengxinmetalproductsfactory.Fortheproductionofcarbondioxidegascylindervalve,whichisobtainedthespecialequipmentmanufacturinglicense(safetyannex)issuedbytheAQSIQ Read More
WarmlycongratulationstoTaizhouHengxinmetalproductsfactorybegintobuildthenewfactory Read More
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