... , experiment instruments, medical instrument , recovered equipment,drug test instrument,optical instrument. The main products, Taikang series wheelchair, reach more than100000 ... sold on the international market.1, Application: Analytic cement, glass, ceramics and refractorinessAnalytic the fertilizer in agricultural land surveys and ... 85-264V 50-60HzAC 220V 50/60Hz 721 spectrophotometer LCD display