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Column Construction
Call center
4006290070
Online service
Concern us：
Add.: 18/F, Building B, No. 2, Kefeng Road, Science and Technology Park, Nanshan District, Shenzhen, Guangdong, P. R. China
Tel.:+86-755-66832882
Fax.:+86-755-26506800
Copyright ? Shenzhen SDG Information Co., Ltd. 1998-2013 | Guangdong ICP prepared No. 16122215 | Design by：szweb.cn
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