Waste oil refers to the waste oil that is replaced from various machinery, vehicles and ships. Lubricating oil due to external pollution in the process of use to produce a large number of gum, asphaltene, sulfur, nitrogen, oxygen compounds to reduce and even lose its due effect and be discarded, according to statistics, the global annual production of waste oil is about 45 million tons, the market value of more than 43 billion dollar, but because of its own economic value is abnormally low, it h...  more
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Chongqing Vbolt Machinery Manufacturing Co., Ltd.: Vbolt are the leading professional manufacturer of oil recycle distillation machine more than...