Are chemical engineering and technology materials?

Civil service examination professional category materials science:

Material science: material physics, material chemistry, metallurgical engineering, metal material engineering, inorganic nonmetal material engineering, polymer material and engineering, material science and engineering, composite material and engineering, welding technology and engineering, gem and material technology, powder material science and engineering, renewable resource science and technology, rare earth engineering, polymer material processing engineering, bio-functional materials, electronic packaging technology, ceramics, silicates, etc.