Dongying Henry precision Metal Co.,Ltd Shandong Chinaspecializes in manufacturing Pump body,Valve parts,Auto parts,Marine hardware in material stainless steel,alloy steel and carbon steel for many years.The products development period is about 4-8 weeks.And we have already passed ISO9001:2000 quality system certificates.The products' rejected rate is less than 0.03 percent.Welcome to our company to negionate business.