because they have no fee while trading
so If I have 1 BTC, and buy low , sell high
(with low profit) ex.0.1 CNY
and do that fast for long time may make good profit
https://github.com/zfei/btcchina-bot
the script have setting it should edited as your setting
my setting
API_SECRET = '**'
BTC_UNIT = 0.5
BTC_AMOUNT = BTC_UNIT
CNY_UNIT = 0.01
CNY_STEP = CNY_UNIT
DIFFERENCE_STEP = 0.1
MIN_SURPLUS = 0.1
NO_GOOD_SLEEP = 5
MAX_TRIAL = 1
MAX_OPEN_ORDERS = 1
TOO_MANY_OPEN_SLEEP = 5
DEBUG_MODE = False
REMOVE_THRESHOLD = 2.0
REMOVE_UNREALISTIC = False
CANCEL_ALL_ON_STARTUP = False
GET_INFO_BEFORE_SLEEP = True
sometime I got error message while process (fail connection),
also I have make little profit with it, (0.5 CNY per 15min)
share here your opinion and your try about the script, or anyone can make edit on it to make it work better