address：Building 6B, Shenlan Industrial Park, Shibeigongye Road, Dashi Town, Panyu District, Guangzhou, China

Telephone: (86) 20-3100 1760

Fax:(86) 20-3100 1750

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address：Zone C, No. 2 Nantai street, Industrial avenue south, Xiaolan Town, Zhongshan City, Guangdong Province

Telephone:（86）760-2211 9512

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address：Room 606, Building B, Zhaolin Plaza, No.19 Ronghua middle road, Yizhuang development district, Beijing

Telephone:（86） 134 0117 1238

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address：Room 615-616, Building 2, Jinxiu Garden, Evergrande Yujing Peninsula, No. 61, Jinma Road, Kaifu District, Changsha

Telephone:(86) 731-8432 6658 139 7588 6216

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address：Room 710, Building T1,No.168, Taihong Road,Vanke Shiyi District,Hongqiao Business District, Shanghai, China

Telephone:(86) 21-5100 1368 135 2475 4498/186 2185 0032

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Website：www.lockvel.com

Email：www.lockvel.com