Dongying Kangyu Petroleum Engineering Technology Service Co., Ltd

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Company: Dongying Kangyu Petroleum Engineering Technology Service Co., Ltd Contact: Mr. David woo Address: Nanyi Road No.227 Postcode: 257000 Tel: 86-546-7766986 Fax: 86-546-7766987 Homepage: http://en.kangyuoil.com/en/en/index.asp http://kangyuoil.88exporter.com E-mail: