The key items are response sintered silicon carbide ceramic series: solutions incorporate boat holders, wafer boats, diffusion furnace tubes, cantilever paddles, sq. beams, roller rods, columns, thermocouple protection tubes, use-resistant pipes, plates, etc.; pressureless sintering and carbonization Silicon ceramic sequence: solutions consist of shaft sleeves, thermal radiation heati... https://www.pinterest.com/pin/1001488035878243569/