Mask is a kind of hygiene equipment, generally refers to the mouth and nose parts used to filter the air into the mouth and nose, in order to block the harmful gas, odor, droplets, viruses and other substances, made of gauze or paper and other materials. Teencher Inspection team consists of professional quality control and international trade experts, each memberwith extensive inspection experience and very strong sense of service. our inspection can help you to reduce logistics costs, return risk, complaints, compensation and potential brand reputation due to quality problems.