The history of the invention of the money counter

As an indispensable financial device in modern society, the money counter is widely used in banks, shopping malls, etc. At present, we can almost find the shadow of the money counter in any fixed place that receives cash. The emergence of great convenience for our economic life has increa

Automatic Kay nitrogen analyzer

Kjeldahl principle: Sampling, digestion, distillation, titration and calculation It is composed of a digestion furnace (optional models of our company) and a fully automatic nitrogen analyzer distiller. The digestion furnace (index exponential type) is controlled and detected by a single-chip m