KOJO is one of the Chinese leading manufacturers of industrial steel valves. Our leading products include ball valves,gate valves,butterfly valves,check valves,forged steel globe valves,forged steel ball valves and so on.Our products are manufactured according to the international standards such as API ,ANSI,DIN BS,AND JIS.Our company also can design and make all kinds of non-standard valves,and can produce according to the user's drawing and sample.