Shenzhen Surui Electric Co., Ltd. specializes in the production and sales of insulation materials such as epoxy glass fiber winding pipes, epoxy glass fiber pipes, transformer insulation cylinders, epoxy resin rods, epoxy glass fiber rods, high-temperature resistant mica boards, mica pipes, etc. The company has two registered brand series, "Surui" and "Xiyan", and related insulation material products.