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HUIZHOU RYD ADVANCED MATERIALS CO.,LTD.
 ADD: Pengda Road, Daling Street, Huidong County,Huizhou City,Guangdong Province,China.
Tel：+86 752-3399351  Fax：+86 752-3399873
Web： www.rydsz.com  Email：info@rydsz.com
 
 
SHENZHEN RYD SCI.&TECH.CO.,LTD.
ADD:NO.2,Shuangxiu Road,Kengzi,Pingshan,Shenzhen,China.
Tel： +86 755-84120691 Fax：+86 752-3399873