Shanghai Benchmarking Economic and Trade Co., Ltd. was established in 2004. The company mainly engages in the marketing, sales, and after-sales service of food hygiene, environmental testing instruments (portable and online), as well as laboratory instruments. The company currently mainly operates: (1) food safety rapid detection instrument (physical and chemical indicators), food safety rapid detection box, toxin detection box and sampling box, edible oil quality detection, food acidity meter, food water activity and moisture content detector, aflatoxin detector, food microbiological detection; （2） Water quality detector; （3） Conventional public places and occupational health testing instruments; （4） Rapid detection instruments for sudden accidents, central air conditioning hygiene evaluation and testing systems, medical disinfection effectiveness testing instruments, etc