Liaoning Hongyi Chemical Co. , Ltd. is located in Jinzhou, China's additive city, is a profes-sional company engaged in R & D, production and sales of lubricating oil additive package. We have many years of experience on R & D, production of lubricating oil additive package . We continue to invest in technology research and development, and maintain a good coop-erative relationship with the domestic large and medium-sized lubricant enterprises . The products are various single-agent, such as: detergent, dispersant\antioxidant and anticor-rosion agent\extreme pressure antiwear agent\antioxidant agent\tackifier\antirust agent\depressant , anti-foam agent.Additive package contains:engine Oil Additive Pack-age,Gear Oil Additive Package, Hydraulic Oil Additive Package, Mental Processing Oil Addi-tive Package, Industrial Oil Additive Package etc.Our products includes the current domestic and international various main lubricating oil products. Liaoning Hongyi Chemical Co. , Ltd. has an independent and stable automatic control sys-tem to keep the product quality stable and qualified, and continuously optimize the formula to make it more suitable for practical application, with higher cost performance. We insist that "quali-ty first, service first"are willing to cooperate sincerely with the industry colleagues, and have a bril-liant future.