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Beijing headquarters: Beijing's haidian district suzhou street long-term heaven and earth building A1 seat 12 b02 chamber Shanghai branch: Shanghai putuo district no. 1715 zhongshan road north of pudong development square E seat, room 1707 Net station: www.hp-ibm.com The national hotline: 400-888-6656 Beijing telephone: 010-51657781 010-51657791 Shanghai telephone: 021-61995742
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