MJ Co., Ltd. is delighted to announce its participation in JEWELLERY & GEM WORLD HONG KONG 2026, taking place from September 16 to September 20, 2026, at the Hong Kong Convention & Exhibition Centre (HKCEC).

You can find us at Booth No. 3G729, where we will present our newest jewellery collections—ranging from elegant everyday diamond jewellery to impactful statement designs that highlight originality and Japanese craftsmanship.

As a jewellery manufacturer based in Yamanashi, Japan, MJ Co., Ltd. offers a comprehensive range of services including retail, wholesale, and OEM production.

We are particularly known for our distinctive designs featuring rare gems such as Aka coral, along with carefully selected diamonds and coloured gemstones. Our jewellery is crafted with great attention to detail, combining Japanese craftsmanship with unique and sophisticated designs.

During the exhibition, visitors can purchase our latest creations directly, as well as discuss wholesale opportunities, OEM projects, and collaborations with us.

JEWELLERY & GEM WORLD HONG KONG is one of the world’s leading international jewellery fairs, making it a perfect opportunity to discover new jewellery, explore