... Boshan Jinggong Pumps Co., Ltd specialized in producing vacuum pumps, centrifugal pumps and compressors. Anything needed, please ... are widely used in paper-making, chemical, petrochemical, light industry, pharmacy, instruments, metallurgy, construction, electronical power, coal- ... : 345 kg 1)Similar to Simens Nash vacuum pump2)Strict test before delivery3)Compact structure4)Reliable performance5 ...