... , powder coating,hydraulic test Product description1.product name: valve body with NPT thread2.material: cast steel, or ductile iron3.size ... regions. Hua Feng aims to exceed customers' exception with strictly controlled product quality and passed ISO9001:2008 certification, ... by TUV.We specialize in cutom fabricating housings, bases, valve bodies, pump bodies, sensor bodies, food and medical equipment ...