NAI-LOK is world leader in tailor-made valves and known for more than 20 years of experience in fast track delivery,special materials valve and special design.With engineering,production,assembling and testing under one roof,we manufacture valves you urgently need in a very limited time frame.Our valves are produced from special materials such as super-duplex,titanium and hastelloy,etc.Flexible at all times,especially for emergency valve requirements.With our highest level of flexibility,in-house production,technical know-how and dedicated staff,we look forward to be your perfect business partner in valves.