【中文】面向商用车工况的L3级柴油机油，粘度等级20W-50，采用公司自主研发的离子镀膜技术，具备卓越抗磨损性能，有效减少发动机零部件摩擦并延长发动机使用寿命。适用于客车、工程机械车等大负荷柴油动力场景，资料中未标注具体认证与包装规格。
【English】An L3-grade diesel engine oil for commercial vehicle duty with 20W-50 viscosity, adopting the company's self-developed ion plating technology for outstanding anti-wear performance that reduces friction between engine components and extends engine life. It suits buses and construction machinery under heavy-load diesel power, with no specific certification or packaging data stated.
