At present, has been formed mainly to coal production, building materials, electric power, railway and machinery manufacturing, and many other operating subsidiary, mutual promotion and common development of their business.
英
美
- 目前，已經(jīng)形成以煤炭生產(chǎn)為主，建材、電力、鐵路和機械制造等多種經(jīng)營(yíng)為輔，互相促進(jìn)，共同發(fā)展的經(jīng)營(yíng)格局。
