Star Rays Diamond HK Ltd.
Tsim Sha Tsui, Kowloon
Hong Kong

Diamond Europe
Bruxelles
Belgium

Conte Diamonds S.r.l.
Milano
Italy

Abico R&D Co., Ltd.
Nagaoka, Niigata
Japan

5 Diamond Experience
Napoli
Italy

Orofino E. E.
Athens
Greece

Kyoto Diamond Tools Ukraine
Vyshhorod
Ukraine

Diamond Service Srl
Caorso, Piancenza
Italy

Marcoflex N.V.
Merchtem
Belgium

Tewkesbury (Diamond Chrome) Plating Co., Ltd
Tewkesbury, Gloucestershire
Great Britain

Diamond Doors Inc.
Winkler
Canada

Asahi Diamond Industrial Europe
Chartres
France

Diamond Coatings
Halesowen
Great Britain

Style Pearl Gem Ltd
Kobe, Tokyo
Japan

Samir Gems
Antwerpen
Belgium

Arcadia Diamonds BVBA
Antwerpen
Belgium

Diamond Rods
Aigues Mortes
France

Gems World
Taito, Tokyo
Japan

Far East Gems Inc
Tokyo
Japan

Diamonds GmbH
Emmerthal
Germany