JIAXING MINGRUI FACTORY mainly supplies pneumatic oil drains and upright oil drains. Our pneumatic oil drains have the advantages of low costs, small space occupation, fast speed, low residual oil rate, and cause no damage to hydraulic cylinders. Pneumatic oil drains have obvious advantages over traditional hydraulic oil drains. We supply our high-quality products and on-time delivery to meet your requirements. MINGRUI has the Certificates of CE, GS, TUV, ISO9001,...etc. It satisfied the demands all over the world.