Contact Siento


Siento Energy Investment Consulting Co., LIMITED

Room 402, B Tower, New Logo International Building No.18 A, Zhongguancun South Street, Haidian District,

100081, Beijing, P.R. China

Tel: 86-10-62199416,62199417,62199450

Fax: 86-10-62166196,62164780

Email:siento@tqcdmchina.com 

Website: http://www.siento.cn

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