E-commerce skills consultation and guidance; Computer network technology services, computer software and hardware development and sales, computer network engineering design and construction; Designing, producing, acting and publishing advertisements; Provision of labor services (except for labor dispatch and labor cooperation); technology development, technical consultation, technical service, technology transfer and technical training; management consultation; photography service; enterprise management; business information consultation; enterprise marketing planning; daily necessities, office supplies, sporting goods, clothing, shoes and hats, luggage and leather goods, electronic appliances, communication equipment, outdoor supplies, health tonics and luxury goods Sales of jewelry, adult equipment, automotive products, toys and musical instruments, personal care and makeup, home decoration, agricultural materials, construction and decoration materials, and agricultural primary agricultural products