TianJin LangRiZhongTian Science and Technology Develop Co.,Ltd 

Address: 623, Building F, No.8, Huatian Road, Huayuan Industrial Park, Tianjin, P.R.China.

Tel : +86 22 23039815-93

Fax: +86 22 23039819

Email: manager@tjsunny.com     

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Website: www.tjsunny.com