Dongying Xinao Marine Hardware Corporation is located in Dongying, China, established in 2002. We are one of the famous manufacturers of precision casting parts in stainless steel, alloy steel, and carbon steel. We have the predominance in stainless steel hardware, electro-polishing, hand-polishing and machining. Our products include marine hardware, construction hardware, screw fittings, and ball valve. After several years of efforts, we have won a good reputation among customers in the ...