Protective glasses are a kind of filter that uses changes through the light strength and spectrum to avoid radiating light from causing damage to the eyes. The glasses are divided into two categories, one for absorption and one reflective. 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.