you better call those 琴行, otherwise it is easy to damage the piano, then you will be very unhappy as they won't pay for the damage. I had such experience before, just let the 搬屋公司 to move it, then damaged. 2 times tim bor, 2 times of 搬屋, 2 times also damged the piano by the 搬屋公司. Only the 琴行 people know how to move it and not damage it. as it is very heavy ga