Manufacturing of metal chains and other metal products; sales of metal chains and other metal products; manufacturing of auto parts and accessories; wholesale of auto parts; retail of auto parts; manufacturing of motorcycle parts; wholesale of motorcycles and parts; retail of motorcycles and parts; mechanical parts and parts processing; mechanical parts Sales of parts and components; manufacturing of metal materials; sales of metal materials; sales of metal products; sales of building materials; sales of chemical products (excluding licensed chemical products); import and export of goods; recycling of productive scrap metal; recycling of renewable resources (except productive scrap metal); processing of renewable resources; sales of renewable resources.