Sunglasses are used for sun shading,people in the sun usually have to adjust the size of the pupil to adjust the light flux, when the light intensity exceeds the ability to adjust the human eye, it will cause harm to the human eye.So in the outdoor activity places, especially in the summer, the need to use sun shade glasses to block the sun, in order to reduce the fatigue caused by eye regulation or strong light stimulation caused by the injury. 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.
Presbyopic glasses also known as reading glasses, is a kind of optical products for glasses for presbyopia people, belong to a kind of convex lens.presbyopia glasses are mainly to meet the needs of the eye presbyopia crowd. Teencher Inspection team consists of professional quality control and international trade experts, each member with 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.