Genetic testing technology development; technology development, transfer, consultation and service of electromechanical equipment and spare parts; self-operated and agent goods and technology import and export; sales of instruments, metal materials, medical equipment, chemical products (except dangerous goods, highly toxic drugs and precursor drugs), automobiles and related accessories, motorcycles and related accessories, mechanical equipment, electromechanical equipment and spare parts, computer software and auxiliary equipment, communication equipment, electronic products; technological development, technical consulting services, technology transfer, production and assembly (limited to branch operations) and sales of chromatographic analysis instruments and equipment and spare parts.