After-sales service: We know that for the enterprise brand building service is extremely important, it can be said that the brand is the service. Hao Cheng adhering to the "quality of flawless, service without picky" concept, and follow the "customer satisfaction first" purpose, and continuously improve customer service quality, so that every customer access to the desirable professional services.

Service Mission: customer satisfaction first.

Service guarantee: strict compliance with the country's "Three Guarantees" requirement.

Service convenience: to provide professional service window, to provide on-site service.

Advisory services: to answer customer inquiries on products and services, accept all products repair, to resolve customer service complaints.

Quality service: all of the installation, maintenance services for a return visit.