National service hotline:
Hengmei Lubricating Oil Website: www.argadbay.com
Fast network communication with wide coverage is convenient for clients with different usage habits.
Hengmei lubricating oil service system and personnel cover the national network as a strong technical service support, therefore the service personnel will provide service as soon as possible when clients cannot solve problems in the process of sale and oil use.
Website: 24-hour self-service
Hotline: 13-hour manual service 8:00-21:00