狠狠操综合_特级做a爰片毛片免费看一区_亚洲欧美偷拍自拍_欧美一区网站

Liaohe oilfield oil sludge treatment pharmaceutical materials procurement

Item Display > Oily hazardous waste treatment and disposal > Liaohe oilfield oil sludge treatment pharmaceutical materials procurement

Liaohe oilfield oil sludge treatment pharmaceutical materials procurement

Harmless cleaning of special oil dross was realized for the first time, and the oil content of the treated slag was less than 1%
In 2022, the owner will save about 1.5 million yuan/year of pharmaceutical costs