Manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; processing of mechanical parts and components; sales of mechanical parts and components; manufacturing of household appliances; sales of household appliances; manufacturing of electrical accessories; sales of electrical accessories; manufacturing of automotive parts and accessories; wholesale of automotive parts; retail of automotive parts; manufacturing of hardware products; wholesale of hardware products; retail of hardware products; manufacturing of handcarts and animal-drawn vehicles; sales of handcarts and animal-drawn vehicles.