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Dayong Oil Additives is specialized in oil field chemical additives products research and development, production, sales and oil technical services in one of the enterprises
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Dongying City Dayong Petroleum Additives Co.,Ltd.
Add：South Yongxin Road, Kenli County, Dongying City
TEL：0546-8741007
TEL： 18654646911 Ms Yang 13780771900 Mr Su
E-mail：dysyhy@126.com