Biomedical equipment brands, which after-sales service is better?

Haier it, Haier Biomedical specializes in the formation of a team of professional service engineers, responsible for the user's daily maintenance and repair of the equipment, and there will be a regular inspection service, Haier Biomedical all the products for the safety testing, cleaning filters, defrosting and other maintenance, and on-site for the user to explain the product use of precautions.