Karp Jewellery Mfg. HK Ltd.
Karp Jewellery Mfg. HK Ltd. - Member of HKGMA
Karp Jewellery Mfg. HK Ltd. - Member of HKGMA
Lee Gems & Jewellery Co. - Member of HKGMA
強興公司 (Keung Hing Co.) - Member of HKGMA
Litto Gems Co. - Member of HKGMA
KGK Gems (HK) Ltd. - Member of HKGMA
龍豐寶石制品廠 (Long Feng Jewellery Making Factory) - Member of HKGMA
景豐寶石有限公司 (King Classic Gems Mfy. Co. Ltd.) - Member of HKGMA
勞倫斯珠寶首飾有限公司 (Lorenzo Jewelry Ltd.) - Member of HKGMA
光華行 (Kwong Wah & Co.) - Member of HKGMA
歷祺寶石有限公司 (Lucky Gems Co. Ltd.) - Member of HKGMA