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Dayong Petroleum Additives is an enterprise specializing in the R&D, production, sales of oilfield chemical additives, and petroleum technical services.
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Dongying 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：terry@dysyhy.com