Hydraulic fittings and hose fittings manufacturer. Ningbo Yinzhou Liujin Hydraulic Equipment Factory is a specialized domestic factory with hydraulic pipes production experience. Our managing scope relates to various fields such as hydraulic system etc; including all kinds of the materials with different pressure levels, the flexible hydraulic hoses with various size criterions, hydraulic fittings, hose fittings, adaptor etc. they have been respectively applied in the hydraulic and fluid conveyance system of the industries, such as machinery, metallurgy petroleum, construction, ships, space-flight, agriculture, pharmaceutical, food and so forth.