Anyị ụlọ ọrụ ihe kwa afọ mmepụta nke itoolu ụwa okpueze slurry mgbapụta Na December 27, 2011, na ikpeazụ nke a slurry mgbapụta niile mmepụta usoro ọma kwubiri, na Baoji Oilfield Machinery Co na 2011 F usoro slurry mgbapụta mmepụta ruru 500 Taiwan (sets), eto. 15.74% tụnyere otu oge ahụ..
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