GL34J (??), also known as Guo Lang, is an electronic component manufacturer based in China. Founded in 2007, GL34J has become a well-known brand in the electronic component industry. GL34J produces a wide variety of components, including micro-controllers, sensors, motors, switches, LED, LCD displays, and radio frequency parts. GL34J has achieved success in the global market due to its high-quality products, certified international standards, and competitive prices. GL34J's products are widely used in consumer electronics, medical devices, automobiles, telecommunications, and many other industries.