- Hong Kong Gemstone Manufacturers' Association - Chairman.

- Hong Kong Jewellery & Jade Manufacturers Association - Full member.

- Hong Kong Jewellery Manufacturers' Association - Life-Long Member.

- Gemmological Association of China

- Hong Kong General Chamber of Commerce

- The Chinese Manufacturers' Association of Hong Kong

- HK Watch Manufactureers Association Limited

- Federation of Hong Kong Industries

- Quality Tourism Services Association