The CEO of Dong Kang M-tech Co., Ltd. and the president of Taiwan Himan Tech Diesel Co., Ltd.  visit Ocean Air, inspection. Ma Yong, the manager of  Technology Department, gave a detailed introduction to Mr.Yeong Mun,cha, Mr.Jin Soo,Shin and Mr.Henry Huang on the company's development status, product type, technical level and market share, and answered the guest's question on Ocean air.