修旧利废和备件国产化是挖潜增效的成功之路杨俊平齐鲁石化公司塑料厂是生产多种聚合塑料原料的大型生产厂，共有５套进口生产装置，年设计生产各类基本树脂３０．５万吨，苯乙烯单体６万吨。电气、仪表、机械设备固定资产达到１２亿元，其中９０％是国外进口的。因此，为... Localization of old repairs, wastes, and spare parts is a successful way to tap potential and increase efficiency. Yang Junping Qilu Petrochemical Company Plastic Factory is a large-scale production plant that produces a variety of polymer plastic raw materials. There are 5 sets of imported production equipment, and the annual design and production of various basic resins 30 50,000 tons, 60,000 tons of styrene monomer. The fixed assets of electrical, instrumentation and mechanical equipment reached 1.2 billion yuan, of which 90% were imported. So, for...