Good idea, and feasible! Go to the merchant to buy the gallery you need. Design it yourself, and then find an outside contractor to do everything, so that the division of labor is clear and the timeliness is guaranteed. It takes time to bind yourself. You should consider this clearly. If you have enough manpower, you can consider binding yourself. I suggest you find an outsourcing unit, step by step. I believe that prefecture-level cities are promising! Wish you success!