On May 17th, 2012, Many R&D and QC Engineers of HYEE are scheduled a visit for site-review to WTL. They are focusing on the implementation of the production process and quality control system of their rail way products made by WTL. By the efforts of everyone in the WTL, working for a common goal to supply high quality products, implementing the IRIS Strictly to enhance the soft-power, WTL successfully passed the customer review. By in-depth communication, HYEE and WTL are confident in maintaining cooperation in the future.