2014
In 2014, TDG invested in and developed a TDG sapphire manufacturing base - TDG Yinxia New Material Co., Ltd.
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Address：No. 129, Shuanglian Road, Haining City, Zhejiang Province
Telephone：+86-573-8768 8888
Fax：+86-573-8070 1366
Email：tdgcore@tdgcore.com
