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Declaration of non use of conflict minerals


File nameFile formatClick download
Conflict Mineral Sourcing PolicyDOCClick download
Declaration of non use of conflict mineralsDOCXClick download



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 Contact

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 Contact

Contact us

 

Telephone number:+86-592-5516018

E-mail address:CHENGYI@CHENGYI.COM

Company address:NO.150, South Longshan Road, Xiamen , Fujian ,China

Chengyi Optical (Xiamen) Co., Ltd.          閩ICP備05017480號-1