Zhejiang Longyou JL Electronic Co., Ltd. specializes in the production of automation components such as photoelectric switches, mark sensors, infrared sensors, edge sensors, and web guiding systems. Established in 1986, the company has developed a range of products that are used in various industries including packaging, printing, metallurgy, tobacco, telecommunications, and aerospace. The company's products are known for their high quality and have received several awards and certifications. They have a strong presence in both domestic and international markets.