Nanjinghand trading ltd. Started in 2006 as a high-technology enterprise that combines r & d production and sales, member of the jiangsu vaccination society ... Dedicated to providing quality brand products and well-meaning after-sales services to its clients, nanjinghand company produced and sold oilless gas compressors, gas boosters, sf6 compressors, helium compressors, lebo vacuum pumps, lebo vacuum pump maintenance, lebo vacuum pump oil, etc.