Beijing Numen Chemical Technology Co.,Ltd is company which specialized in providing lubricating oil additives products and services. 北京纽曼莱特化工有限公司是一家专业提供润滑油添加剂系列产品技术服务的高科技公司。
The supplement type lubricating oil additive is important for improvement of lubricating oil performances,with greater potential to develop. 补充型润滑油添加剂对改善和提高油品使用性能具有重要意义，有较大的发展应用潜力。
