Abstract: A pin fixing type hand tool structure includes a tool head body, a grip body and an abutting fixing block, and cut corners are formed between the tool head body, the grip body and the abutting fixing block and provided for alignment and positioning, so that the three can be stably engaged with one another by the cut corners. The structure is simple and the assembling is convenient, and the production and assembling costs are reduced to achieve high structural stability and assembly convenience.

Abstract: The present invention provides methods and systems for matchmaking of on-line transaction. Users could apply the platform of the present invention to make various transactions as well as correct decisions according to the remarkable effects of virtual reality. Therefore, the present invention would not only prompt the market of artwork, but also decrease the cost of transaction.