The company always adheres to the service tenet of "honest service, continuous innovation, continuous improvement, and customer satisfaction". A comprehensive service system, strengthened pre-sales, in sales, and after-sales services, timely and efficiently solves various problems encountered by customers during use, bringing great convenience to customers. Customer centered, highly value the opinions (suggestions) raised by customers, and regard handling customer opinions (suggestions) as an important part of satisfying customers. All products sold by our company are guaranteed with a one-year warranty and a lifetime free calibration principle. Any quality problems that occur during the warranty period will be seriously and responsibly resolved.