Specially designed Luxury Large Gemstone Diamond Engagement Ring surface
Shandong Yantai Polaris Huajing Gem Co., Ltd.(The old name is Yantai Gem Factory )is one of the largest production bases of synthetic corundum in China ,using verneuil's method. we started to develop the production of synthetic gemstones since 1966, enjoying a long history of gemstone production.
We have a strong team of engineering and technical personnel and independent research and development capabilities. Our major products include rough ruby No. 1, 2, 3, 5 and 8, alexandrite, blue corundum, white sapphire in half boules, white sapphire crackle and annealed whole sapphire boules.
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Specially designed Luxury Large Gemstone Diamond Engagement Ring surface | Shandong Yantai Polaris Huajing Gem Co., Ltd.(The old name is Yantai Gem Factory )is one of the largest production bases of synthetic corundum in C... |
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