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    OK ENGINEERING CONSULTING SERVICEAll
    Room 903，Dalian Road # 976, YangPu, Shanghai, China
Contact number: 0086-18621696157
Company address:
Room 903，Dalian Road # 976, YangPu, Shanghai, China
Contact email: admin@ok-ecs.com
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WE PROVIDE TURNKEY SOLUTION
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0086-18621696157
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admin@ok-ecs.com
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ADDRESS
Room 903，Dalian Road # 976, YangPu, Shanghai, China
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ENGINEERING CONSULTING SERVICE