Grade A thermal insulation boards, cement foamed thermal insulation boards, inorganic fire-resistant thermal insulation boards, Grade A fire-resistant thermal insulation boards, foam concrete boards, fire-resistant thermal insulation boards, foamed cement boards, inorganic fire-resistant thermal insulation boards, composite foamed cement boards, exterior wall fire-resistant thermal insulation boards - production and sales. Transfer of the patented technology for the successful development of Grade A fire-resistant thermal insulation boards, including its formula, process, and efficient production line equipment.