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                          Contact information

                          Office Tel Fax
                          Nanjing (+86)25 6853 0600 (+86)25 6853 0619
                          Zhenjiang (+86)511 8558 2335 (+86)511 8888 3008
                          Shanghai (+86)21 5683 1662 (+86)21 5683 1662
                          Tianjin (+86)22 2439 7111 (+86)22 2495 1301
                          Guangzhou (+86)20 3727 9612 (+86)20 3727 9612
                          Changchun (+86)431 8598 1598 (+86)431 8598 1598
                          Hong Kong (+852)2615 1488 (+852)2615 9711
                          Saudi Arabia (+966)12 6513188/6512488 (+966)12 6579288

                          OTL Technology Centre
                          Address: 238 Lantian Road , Nanjing Airport Economic Zone ,211113 , Jiangsu,China
                          Tel : +86 (0)25 6853 0600
                          Fax : +86 (0)25 6853 0619

                           

                          OTL Industrial Centre
                          Address : 57 Yinhe Road , Da Gang , New Industrial Zone , Zhenjiang 212132 , Jiangsu, China
                          Tel : +86 (0)511 8558 2335
                          Fax: +86 (0)511 8888 3008
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