Formal enterprises are more reliable. The registered address of Liaoning Zhi Heng International Labor Service Co., Ltd. is 10, Beiling Street, Huanggu District, Shenyang (1- 17-6). The business scope of the company includes sending all kinds of laborers abroad (excluding Hong Kong, Macao and Taiwan). Advisory service for studying abroad, intermediary service for studying abroad at one's own expense, organization of cultural exchange activities, economic information exchange, network technology promotion, computer system integration, conference and exhibition services, ticketing agency, planning of cultural and artistic exchange activities, sales of household appliances, electronic products, mechanical equipment and building materials (projects subject to approval according to law can only be operated after approval by relevant departments).