Distribution switch control equipment and accessories, box-type substations, transformers, reactors, indoor and outdoor vacuum circuit breakers, isolating switches, capacitors and supporting equipment, power electronic components, instruments and meters (excluding measuring instruments), power fittings, wires and cables, busbar bridges, solar modules, wind energy equipment, insulation parts , molds, construction electrical appliances, explosion-proof electrical appliances, mining explosion-proof electrical appliances, energy-saving electrical appliances, fire-fighting equipment, auto parts, motorcycle accessories, lighting fixtures, communication electrical equipment (except satellite ground receiving devices), other power transmission and distribution and control equipment, plastic parts manufacturing, processing, sales, import and export of goods, import and export of technology.