Our testing capabilities have covered corrosion testing, valve testing, metal material testing, reliability testing and more. Lishui Valve Inspection is an industry leader in metal corrosion such as hydrogen sulphide related corrosion, corrosion assessment and fugitive testing such as API624,API641. Relying on our solid professional knowledge and its bold spirit of innovation, we have made continuous progress in the fields of product testing, engineering quality control, and product technology improvement.