The company is audited and certified by the Norwegian Classification Society (DNV) in accordance with the ISO9001 international quality system and ISO14001 environmental management system；

High-quality professional management team and technical support team, set up more than 140 professional service centers and nearly 1,000 professional service departments in major cities across the country；

Ensure that after the customer submits the demand, the service staff will implement on-site service within 24 hours, and the special circumstances will not exceed 72 hours.