SLDL.SLDL is a national high-tech enterprise with a registered capital of RMB 410 million, focusing on the research, development and production of energy-saving and environmentally friendly cable products covering the fields of electric power, construction and rail transportation. The company has passed many international certifications such as ISO9001 and German Rheinland certification, and has the qualification of access to the national power grid. It mainly engages in high-voltage/low-voltage power cables, fire-resistant cables and mineral insulated cables and other special cables, and its products comply with the standards of CCC, PCCC, etc. The company also has the right to import and export on its own, and it is driving the industry's development with technological innovations.