Giayoung is a professinal investment castings manufacturer, which have a 24 year history of producing some of the world's best investment castings, various mating valves and accessories for ISO standard tank, most are for the world's premier valve suppliers. We also produce various types of automotive parts, highspeed train parts. Now we bring that expertise directly to valve manufacturers. Giayoung employs over 1,200 employees and ranks in the top 4 investment casting foundries in China. The companhy has won numerous accolades over the years and is a Council member for the Confederation of Investment Casting Exporters. It was voted in the top 100 enterprises in the Industry.