KENENG is a specialized manufacturer of BALL VALVE more than 10 years,size1/2"~48".pressure:150lb~2500#(5000psi,10000psi also availably),use for oil&gas. and OEM for Euro and USA brand mostly. KENENG VALVE launched its quality management and safety system as ISO 9001, and awarded API 6D, API 6FA, CE approvals for the product.