KO YING HARDWARE INDUSTRY CO., LTD. was founded in 1997 at the Kaohsiung
city in Taiwan. As a versatile manufacturer, KO YING is definitely capable of meeting various requirements from clients in the industry. To assure steady quality, we have obtained the ISO 9001:2008 official certification.
Specialized in customized nuts,screws and bolts.Produce diameter range form 3mm to 50mm,length range from 5mm to 150mm. Provide multiple materials for customer demand,ex:low carbon steel to high carbon steel,alloy steel,and stainless steel.Ko Ying’s supply high quality and customized fasteners and will be your best partner in creating customer value.