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Carbon fiber composite material has excellent X-ray transmission performance, X-ray transmission of 99%, because of this excellent X-ray transmission performance, allowing rays at any Angle irradiation on the bed without refraction, only a small dose of rays can obtain clear imaging, thereby reducing the harm to patients and medical staff. It is used in the field of medical imaging products, including CT bed plate, PET-CT bed plate, accelerator bed plate, breast plate, and medical interface and care field, including wheelchair parts, slope plate, etc.