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Sino Energy Conservation International Limited
8/F., Chung Hing Commercial Building, 62-63 Connaught Road Central, Central, Hong Kong
Tel ：  (852) 3753 9800
Fax ： (852) 3753 9833
Website ： www.chyy.com.hk
E-mail ： info@chyy.com.hk
Ever Source Science and Technology Development Group Ltd.
No.102 XingShikou Street, Haidian District, Beijing, China 100093
Tel ： (10)6259 5998
Fax ： (10) 6259 8816
Website ： www.hyy.com.cn
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