GZ-30B manual high-pressure grease machine operating structure ergonomic design, compact size, reasonable design. Non-destructive and reliable work, light and effortless to use, easy to move. The product is suitable for filling lubricating grease in metallurgy, ports, automobiles, engineering machinery and various places without air source. The oil pressure plate is made of special rubber pressed, durable and more conducive to the absorption of high viscosity materials.