ã€China Trolley Trading Network Trolley box transactions and trade information exchange to provide an excellent platform to improve the level of commodity exchange, standardize the behavior of commodity trading, to achieve ultra-large-scale network operators. 】 In addition to happy travel out of the house, the most important thing is safe, in addition to personal safety but also need to have the items in good condition. So when you go out to travel, it will certainly be equipped with a lock for your suitcase, as for what type of allocation is due to be determined. 1, mobile-type password lock: pen core or toothpick to withstand the bottom of the dot, do not loose, use the other hand to move your password number, set the release button and then you can. 2, fixed type: the password lock on the loose button, do not pull up the release, the other to mobilize the number you want, set the number and then release the loose button. 3, a fixed type that has a black dot: pen core or toothpick to the black dot press down, and then set the password you want to set up, that can be loose hand pull up, small Black dots can be bounced open. To know more trolley information, please pay attention to the Chinese trolley transaction network Posted by: zpengdmjy