Онас
Связьснами
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Kоммутатор: 86-22-58627718(Головной офис)
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Факс: 86-22-58627711(Головной офис)
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Почтовый ящик: abroadsales@kelioil.com
Сертификаты
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Quality Management System Certification Certificate(English Version)
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Environmental Management System Certification Certificate(English Version)
.jpg "Environmental Management System Certification Certificate(English Version)")
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Occupational Health Safety Management System Certification Certificate(English Version)
.jpg "Occupational Health Safety Management System Certification Certificate(English Version)")
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Certificate of Hi-tech Enterprise
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National Key New Product Certificate
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Company Registered Trademark Certificate
.jpg "Company Registered Trademark Certificate")
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Dispersant Patent
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Fluid Loss Additive Patent
.jpg "Fluid Loss Additive Patent")
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Retarder Patent
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