we engage in importing and exporting DY/YP Series of Electronic Balance as below: DY15K 15000g/1g 280?40 DY20K 20000g/1g 280?40 DY30K 30000g/1g 280?40 YP15K 15000g/0.5g 280?40 YP20K 20000g/0.5g 280?40 DY31KF 30000g/0.5g 280?40 and others you need,if you need pls contact me directly. the picture below just for your reference