Fitness service; Weight loss equipment; Exercise to lose weight; Sports project management (except high-risk sports); Organizing cultural and artistic exchange activities (excluding performances); Undertaking exhibition activities; Educational consultation (excluding study abroad consultation and intermediary services); Literary and artistic creation; Conference services; Designing, producing, displaying and publishing advertisements; Project investment; Investment management; Enterprise management; Market research; Software development; Air ticket agent (excluding air ticket sales agent); Sales of sporting goods, machinery and equipment, clothing, shoes and hats.