This series of products are formulated with sulfur-phosphorus extreme pressure additives, antioxidants, rust inhibitors and other additives, providing outstanding lubrication protection for gears under severe operating conditions. The products comply with GB 5903-2011 (L-CKD), ISO 12925-1 (L-CKD), AIST (US Steel) No.224 and AGMA 9005-E02EP standards. They are suitable for the lubrication of enclosed gear drives in mining, metallurgy, cement, fertilizer, sugar refining and other industries. They also apply to various types of reducers and circulating lubrication systems under different loads, as well as the lubrication of worm gear drives subject to varying loads.