Chengdu SIWI Science and Technology Company Limited, together with its subsidiaries, engages in the manufacture and sale of telecommunications cables in the People's Republic of China. The company offers electric wires and cables, optical fibers and cables, wire and cable specific materials, and cable accessories; equipment, and various kinds of information industry products and devices; equipment technology research and development services; and irradiation processing, product manufacturing, sales, and services. It is also involved in the production and sale of copper cables, optical cables, and related products; and provision of agency and processing services. The company was formerly known as Chengdu PUTIAN Telecommunications Cable Company Limited and changed its name to Chengdu SIWI Science and Technology Company Limited in August 2022.