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synthetic corundum
spinel
LED backing material
Aluminum oxide powder
jewel bearing
watch glass
pendant
synthetic cut stone
Glass Ring Plane
Zircon Ring Plane
@ Shandong Yantai Polaris Huajing Gem Co., Ltd. Powered by: 300.cn SEO
EMAIL
8
cindy@ytgem.com
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9
86-535-6800993
