huifeng instrument co.ltd of yangzhou in jiangsu province (originally: huifeng instrument factory of jiangdu in jiangsu province ) specializes in manufacturing various industrial pressure gauges and temperature gauges. the company was established in 1986 and now there are over 200 staffs. it occupies more than 8000 square meters in jiangdu economic development zone in the eastern suburb of yangzhou in jiangsu province. the chief products of huifeng instrument co.ltd include common pressure gauge, oil charge gauge, chemical industry gauge, tire decompression gauge, refrigeration pressure gauge, precision pressure gauge, temperature gauge, bunker pressure gauge, oxygen and acetylene decompression gauge, motor pressure gauge, fire-fighting pressure gauge and total-copper pressure gauge etc. t..