A resin pipe is a wiring part used for conduit and protection of electric cables. Main applications include wiring, protection, repair, etc. of electric cables in various industrial equipment, industrial buildings, communication equipment, etc. The resin used as the material includes polyethylene, nylon, polypropylene, etc., and most of them are lightweight and have high heat resistance and corrosion resistance. Product shapes include double tubes with slits, gate tubes with uneven surfaces, flexible tubes that can be bent in multiple directions, and cable raceway ducts used as wiring protection covers, etc. In addition, there are products that have excellent weather resistance and are suitable for outdoor wiring protection, products that are used by taking out the required length from the box case, and multicolor products that can color-code wiring by circuit, etc., and it is possible to select a product according to the application.