"Based on domestic market and expand overseas business" is our development strategy for Punch&Sampling, Metal Filters , Instrument For Spe Cartridges& Plates , Aflatoxin Affinity Chromatography Cartridge&Plates , In order to meet our market demands, we have paied more attention to the quality of our products and services. Now we can meet customers' special requirements for special designs. We persistently develop our enterprise spirit "quality lives the enterprise, credit assures cooperation and keep the motto in our minds: customers first.