Yangzhou Jiangsu Oilfield Ruida Petroleum Engineering Technology Development Co.,Ltd.

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Addrsss:No.1, Wenhui West Road, Yangzhou, Jiangsu Province, P.R.C Email:zhenghj@joeco.com.cn yzruida@sina.com
Fax：0514-87761146 Tel：(Technical Department) 0086-514-87761146 (Marketing Department) 0086-514-87761249