Here with Chengdu Pudding Mechatronic Co.CPMC, we distribute Genuine Atlas Copco Screw Air Compressor lubricant which is compatible for maintenance of 12000 hours, 8000 hours, 4000 hours, etc. The Genuine Atlas Copco oil is mainly configured according to the on-site working conditions and production needs. Depending on the time of use, the additives in the oil are different and so each unique lubricant per the unique oil part number applies for unique compressors models.