As early as 1994, Tsuen Lee took the lead in the industry to earn the ISO9001 Quality Management System Certificate, which qualifies it for the monitoring, processing and measuring capability for quality management to effectively reduce the waste of time and material, as well as increase operational efficiency and product quality, and the strength in planning and problem solving. It also helps reduce the occurrence of serious mistakes in production processes and enhance the quality of products and services. To further address to changes in the market conditions, the Group has adopted OHSAS18001 Occupational Health and Safety Management System in 1999, SA8000 Social Accountability International standard system, ISO 14001 Environmental Management System in 2001, ICTI-COBP Code of Business Practice in 2004, QC080000 Hazardous Substance Process Management System Requirements" and operate in accordance with GB14881-94 and basic food GMP regulations.