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油田专用减速机-抽油机减速机|博山减速机|淄博减速机-宏科机械产品中心
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油田专用减速机
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The speed reducer for oil field is one of the main products of the company production, reducer main production andvarious types of oil pumping oil machine. With double circular arc tooth cylindrical gears, has the big bearing capacity,long service life, stable work, low noise, good sealing performance, safety and reliability, convenient installation and use. Special for oil pumping unit reducer 
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