
A worker tests a newly-produced gearbox at a workshop in a railway industrial park of the Taiyuan Heavy Machinery Group Co., Ltd in Taiyuan, capital of north China's Shanxi Province, June 26, 2018. The workshop of gearbox, a principal component of the transmission system for high-speed trains, was put into operation on Tuesday. It can produce and repair 5,000 gearbox sets for railway transit every year. (Xinhua/Cao Yang)














