good quality Uncut spinel stone raw rough synthetic spinel (The old name is Yantai Gem Factory )is one of the largest production bases of synthetic corundum in China ,using verneuil\'s method. We have a strong team of engineering and technical personnel and independent research ...
Yantai Polaris Huajing Gem Co., Ltd. [Hardware] [Abrasives] [2019-02-25 15:53:54 ]
synthetic blue spinel jewelry rough Synthetic Gemstone 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. Our major products include rough ruby No. 1, ...
Yantai Polaris Huajing Gem Co., Ltd. [Hardware] [Abrasives] [2019-02-25 15:52:11 ]
top sale Wholesale raw gemstones synthetic rough spinel 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 ...
Yantai Polaris Huajing Gem Co., Ltd. [Hardware] [Abrasives] [2019-02-25 15:51:30 ]
Product Type:Box & Case Material:Glass Synthetic spinel numbers of standards has 104# , 105# , 106# , , 113# , 119# , 120# , 112# , 114#, 149# , 152# etc. ...
JUZHONG SYNTHETIC CORUNDUM MANUFACTORY [Gifts & Crafts] [Glass Crafts]
