求翻译：中化国际在全球拥有18家加工厂, 业务范围覆盖主要国际市场, 但产业链各环节管理水平参差不齐无法实现杠杆效应, 管理效率和管理成本存在较大改善空间是什么意思？

Sinochem International has 18 plants in the world, covering the major international markets, but the industry chain management can not be achieved varying levels of leverage, management efficiency and cost of management there is a big room for improvement

Sinochem International employs 18 plant, covering major international markets, but the link chain industries leverage effect cannot be achieved wide variations in the level management, management efficiency and cost of management improvement there is a relatively large space

International has 18 processing factories in the whole world, the business scope cover main international market, but the industrial chain various links management level is unable to realize the release lever effect irregularly, manages the efficiency and the management cost existence big improvemen

Sinochem international with 18 factories worldwide, it does cover major international markets, but industrial chain link management and uneven cannot leverage, management efficiency and administration costs there is considerable room for improvement

Sinochem international with 18 factories worldwide, it does cover major international markets, but industrial chain link management and uneven cannot leverage, management efficiency and administration costs there is considerable room for improvement