Estabished in 1988, Midwest instruments & chemicals is based in Beijing,China. The company has become one of the largest manufacturers and suppliers of analyzer, detector, gauge, meter, monitor, sensor, tester, pump,valve, herb, extract, reagent,chemicals, and chinese medicine .Also, we have built an enviable reputation for providing 1,000,000 types of products with good quality and competitive prices.Customer is our God,we are always being ready to serve you and make your days greater.