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Great K2 Industry Co., ltd
Address: 503, 9 Building, No. 415 Xianxia RD,Shanghai,China
 
one way vision sales
 Sales Dept

Tel:         86-21-62341635
Fax:        86-21-62341635
Sales:    sales@greatk2.com 
   
One way vision support
 R&D center

Technical support:  support@greatk2.com