A continuous ceramic composite plating apparatus for producing long doctor materials having pinch rollers for continuously straightening out long doctor materials plated from a take-up reel(s) by a method comprising a degreasing step, rinsing step, acid immersion, rinsing step, electroless ceramic composite nickel plating step, plating solution collection step, rinsing step, and drying step between a first step of supplying continuously the long doctor blade base materials held on the reels spirally while the blade surface is maintained in a horizontal direction with respect to the surface of the solution for uniformly plating the long doctor blade material wherein a higher concentration of a ceramic fine powder is deposited on a top surface of the long doctor blade material, and a final step of taking up continuously the blade base material(s) on the corresponding take-up reel(s); and a straightening furnace for baking through which the straightened plated blades pass.