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Dongying Dayong Petroleum Additives Co., Ltd.
Add:Yongli Road, Kenli County, Dongying City
Mobile and WhatsApp: +86-13780771900
Fax: +86-546-8741911
Code:257500
Email: terry@dayongchem.com
Address: South of Yongxin Road, Kenli District, Dongying, Shandong Province, China
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