1.Pressure ratio 50:1(or 60:1):Transmission pressure 30-40MPa,grease output 0.85L/Min. 2.100% test:every pump take working test by grease before packing.make sure 100% ok. 3.EFFECTIVE DETAIL DESIGNS: handle and four wheels make grease pump easy to operate and transport. 4.OEM experience:we can produce products according to the drawings or samples the customers offered.we OEM for many famous company more than 10years. chinaluda.com