Since the 90s of last century, the predecessor of Donglong Transmission Equipment Co., Ltd has been engaged in the production and sales of plastic products business. In 2010, officially registered as Jinan Donglong Transmission Equipment Co., Ltd. Professional in manufacturing , designing and sales of Engineering Plastic Chain Plate, Modular Conveyor Belts, Sprocket, Strip, Guide Rail , Barrier Bracket etc. as well as the Filling Equipments and accessories. In 2014, change...