Air conditioning components are components that are attached to machines that control air, such as air conditioners, exhaust fans, etc. Installed in air conditioners that adjust temperature and humidity, piping, plumbing ducts, indoor / outdoor units, etc. Piping parts include penetration sleeves, drain hoses, vinyl tape for air conditioning piping, putty for piping, etc. These are parts for connecting the indoor unit and the outdoor unit of the air conditioner. In addition, the parts for indoor and outdoor units include VP pipe elbows that serve as installation bases and fittings for air conditioners, and are used when installing air conditioners. Parts for plumbing ducts are parts that have the role of preventing deterioration of piping and wiring and protect the appearance. When installing an air conditioner, not only the main unit but also parts such as hoses and fittings that connect them, and parts that have heat insulation and protection functions are required.