深中华A：自行车业务目前没有涉及出口，主要以内销为主

Group 1 - The company does not operate retail physical stores for its gold jewelry business, which primarily connects downstream gold jewelry brand merchants, wholesalers, and distributors [2] - The company has a gold jewelry product exhibition hall for downstream brand merchants, wholesalers, and distributors to select and order products [2] - The bicycle business is currently focused on domestic sales under the brand "Amini" and does not involve exports [2]