Workshop to Make a Wooden Sroller for a One Legged Kid

i need a carpenter to handmake a small wooden walking chair for my one legged son . Its a very simple design and easy to make . Id do it myself if i had some tools and the wood  Where can i find a shop to make this high quality . ?

If you don't get a better response, you might find a craftsman on the furniture street in D10, Ngô Gia Tự.  There are 50 stores of sellers, I don't know if there are any makers.  If you can get a someone to translate your needs into a letter, with a sketch, you could show that to shops and maybe they can refer you to someone - because if you don't know Vietnamese it will be difficult to explain what you need.