Started first jewellery assembly workshop in
Tsim Sha Tsui under the name "Tse Sui Luen".
Tse Sui Luen Arts Company, Limited was established.
Tse Sui Luen Jewellery Company Limited was officially established in Hong Kong.
Tourist showroom business was started to operate.
In the early 80s, the largest jewellery factory in the South East Asia located at headquarters in Hung Hom was set up, with more than 1,000 workers in the production line.
The first retail outlet at Ocean Centre, Tsim Sha Tsui was opened in Hong Kong.
Tse Sui Luen Jewellery (International) Limited was listed on the Hong Kong Stock Exchange and became the largest local jewellery exporter at that time.
  In 1987 onwards, the Group extended its retail network throughout the whole territory of Hong Kong.
The Group's China business took a big step forward with the opening of a retail store in Harbin, Northern China.
In November 1997, Mr. Tse became the first Chinese invited to be a League of Honour member in the International renowned Gemological Institute of America (GIA). The honour is given to declare the achievement of Mr. Tse himself, as well as being an international endorsement of his efforts to build the TSL group.

Flagship stores with contemporary design motifs were opened in Hong Kong, Beijing and Kuala Lumpur, which marked the start of a new era for the TSL group.
TSL won the world famous "Gold Virtuosi 2002" in Vicenza of Italy, an international gold Jewellery design contest which has the reputation as the "Oscars" in the pure gold jewellery industry.
TSL was awarded the "Superbrands Hong Kong" status, a feat which the company repeated for the second consecutive year.
TSL won the Best of Show Award of The 4th Hong Kong Jewellery Design Competition by Hong Kong Trade Development Council.
TSL was awarded Top Performer 2003-04 of Total Quality Service Regime by MTR Corporation Limited.
TSL | Saxx, a jewellery store which blends fine jewellery with contemporary jazz music, was introduced to cater to young and trendy customers in Mainland China. The first store was opened at Shenzhen.
Launched 100-facet Estrella diamond with perfectly unique cutting "nine hearts one blossom" pattern
  TSL was awarded The Service Retailers of the Year 2005 and The Service Retailer in Watch & Jewellery Category by HK Retail Management Association.
TSL was awarded The Service Retailer in Watch & Jewellery Category by HK Retail Management Association for the second consecutive year.
TSL was awarded Top Performer 2007 of Total Quality Service Regime by MTR Corporation Limited for the second year.
 
New TSL flagship store at The Venetian Grand Canal Shoppes, Macao was opened.
TSL won Gold Prize of 2007 Buyers' Favorite Jewelry Design Competition by Hong Kong Jewelry Manufacturers' Association.
TSL won Gold Prize of 2008 Buyers' Favorite Jewelry Design Competition by Hong Kong Jewelry Manufacturers' Association for the second consecutive year.
Set a new Guinness World Record, "Most Expensive Snoopy Memorabilia" by creating "The Ever-Shining Star", a masterpiece set with over ten thousand pieces of diamonds and color stones totaling 207 carats.
TSL was awarded Top Performer 2009 of Total Quality Service Regime by MTR Corporation Limited for the third year.
TSL won four awards including two grand awards, 2010 Service Retailers of the Year – Grand Award and 2010 Service Retailer in Watch & Jewellery Category by HK Retail Management Association.
TSL won the Best of Show Award and Craftsmanship & Technology Award of The 11th Hong Kong Jewellery Design Competition by Hong Kong Trade Development Council.
TSL won Gold Prize of 2010 Buyers' Favorite Jewelry Design Competition by Hong Kong Jewelry Manufacturers' Association for the third time.
TSL became the first Hong Kong jewellery retailer to introduce e-magazine and iPad/iPhone Apps.
TSL collaborated with internationally-acclaimed micro-sculptor Willard Wigan to debut the world's most precious micro-sculpture masterpiece, "The Starry Lovers".
TSL created "Vivienne Tam for TSL Fine Jewellery Collection" with world-class fashion designer VIVIENNE TAM, becoming the first Hong Kong jeweller to be featured in the New York Fashion Week.
TSL acquired CORE JEWELS, a Japanese lifestyle jewellery brand well-known for its avant-garde designs and classical style jewellery with black diamonds.
TSL reached a partnership agreement with Asia Miles, making it the first Hong Kong and Macau jewellery retail brand to offer Asia Miles to customers.
The TSL | 謝瑞麟 Foundation was established to support the sustainable development and enrichment of the jewellery industry, and to promote the cultural heritage of creative industries in Hong Kong. As a debut project, the Foundation jointly introduced the Creativity Management in Luxury Industry Programme 2013-2014 with the School of Modern Languages and Cultures, The University of Hong Kong.
TSL launched e-business platform on TMall and further expanded it to JD.com and HKTV Mall.
CORE JEWELS, TSL's subsidiary brand, debuted the world's first diamond jewelry to incorporate near-field communication ("NFC") technology - "One"-Time of Love.
TSL launched a three-year-long charity campaign, "Your Little · Their Mickle", to support UNICEF HK and UNICEF's Water and Sanitation Programme in rural areas of China.

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