沈阳市造纸机械厂是一家仅300多人的国营小企业,主要生产造纸行业使用的ZBK系列罗茨真空泵。与一些技高资深的老企业相比,他们并无优势;追溯它的历史,以前不过是家造纸厂的修配车间,只干些修修配配的“下手活”。“独立”后,也一直干纸机,直到七十年代末他们才开始试制罗茨真空泵。中国有句古语叫“后来者居上”。全国生 Shenyang Paper Machinery Factory is a state-owned small enterprise with more than 300 employees. It mainly produces ZBK series Roots vacuum pumps used in the paper industry. Compared with some senior companies with high technical level, they have no advantage; their history is traced back to the former workshop of the paper mills, and they only engaged in repairing and matching. After “independence”, they had been drying the paper machine until the end of the 1970s when they began trial production of the Roots vacuum pump. There is an old saying in China that “the latecomers should stay above.” National students