thorlabs fiber pigtail,The quality of how?In fact, it is determined according to the application scenario. In some places, the quality is very high, and in some places, the quality requirements are average. Optical fiber patch cords are mainly used in communication equipment rooms, and the quality requirements are high. Therefore, the requirements for manufacturers are also high. Optical fiber patch cords are produced in China. The quality of the products is still acceptable, and some large enterprises have very high quality management themselves.