Laboratory equipment manufacturing and installation; office equipment and furniture production; educational instruments and equipment, audio-visual teaching equipment, testing machines, desks and chairs, apartment beds production and installation; educational software, psychological counseling software research and development, and sales; psychological counseling room equipment, music classrooms, music teaching aids, art teaching aids, sports equipment, health supplies, geography laboratory equipment, children's toys, fitness equipment manufacturing and sales; laboratory technical consultation and services; laboratory design; interior and exterior decoration and renovation projects; purification equipment installation; stainless steel wares and tableware, plastic containers and plastic packaging boxes, glassware processing; books, hardware and electrical appliances, steel, and chemical products wholesale and retail. (Operate as permitted by law.)