天码毛片一区二区三区入口,天天草天天,爱搞在线播放,黄色一级**毛片

On 8th May 2017, the experts from Yanshan University National Hydraulic System Fault Diagnosis Class Visited Tolian headquarter.

The experts team includes senior colonel(professor,doctoral supervisor ) Mr. Zhiqiang Zhao from College of Armoured Force Engineering of PLA, Professor Mr. Zhenjun Sun from Hebei University of Engineering, Professor Mr. Jingyi Zhao from Yanshan University, president Mr. Zhenhua Yang from Qinhuangdao Yandayihua Mechanical and Electrical institution, and the experts from Dalian University of Technology,Tianjin Institute of Engineering Technology, Weihai Renhe Mechanical and Electrical Co., LTD, Dalian Youchuang Hydraulic Co., Ltd. and Ningbo Huaye Mechanical and Electrical Co., Ltd.

The experts visited company Exhbition room, Assembly workshop and TBM workshop. Tolian introduced company information, main products, advanced technology and products application to the customers.

As a leading manufacturers for bridge construction equipment, heavy lifting equipment, special transporters and steel segments mould, Tolian gave a deep impression to the experts.