Fixed method: 1) If the ground (cement floor, tarmac floor) can be damaged, the expansion screw can be used to fix , without any fee (the fee is included in the quotation). 2) If the ground is the loose ground (such as sand and grass ground), steel nail can be used to fix . 3) If the ground (which is made of marble or tile) can't be damaged, loading system should be used to fix.
){kind=link}