General projects: mechanical equipment sales; mechanical parts and components sales; instrument sales; hardware product retail; chemical product sales (excluding licensed chemical products); building materials sales; lubricant sales; electronic components and electromechanical components and equipment sales; rubber products sales; plastic products sales; paper products sales; mechanical equipment leasing; import and export of goods; technical services, technical development, technical consultation, technical exchanges, technology transfer, and technology promotion. (Except for projects that must be approved according to law, business activities can be carried out independently in accordance with the law with a business license)