0.6 percent. Official website showed that whoever inquired about the POS machine handling network, the cash box POS machine credit card rate was 0.6% according to the national standard rate, and the credit card 10000 yuan was deducted from the 60 yuan handling fee. POS machine is a multi-functional terminal, which can be installed in special merchants and accepting outlets of credit cards and connected with computers to realize automatic transfer of electronic funds.