The world s first set of intelligent high-end shearer with maximum power and super large mining height came out

according to china coal science and industry group, on the 22nd, the world’s first set of maximum power, super large mining height intelligent high-end shearer mg1250/3430-wd series coal shearer was launched in china coal science and industry group shanghai research institute (hereinafter shanghai coal branch for short) came out. after the company launched the world’s…