ABOUT US
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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Qualifications
Invention patent certificate
Invention patent certificate
Utility model patent certificate
Utility model patent certificate
Environmental management system certification
Environmental management system certification
Quality management system certification
Quality management system certification
Occupational health and safety management system certification
Occupational health and safety management system certification
Environmental management system certification
Environmental management system certification
Environmental management system certification
Environmental management system certification
Utility model patent certificate
Utility model patent certificate
Science and Technology Progress Award
Science and Technology Progress Award
Work registration certificate
Work registration certificate
National "specialized and special new" enterprises
National "specialized and special new" enterprises
High-tech enterprise
High-tech enterprise
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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