Jianglang Technology Co., Ltd is a professional enterprise involved in manufacturing and marketing the best quality pneumatic diaphragm pumps, electric diaphragm pumps for a wide range customers.Jianglang Technology Co., Ltd headquartered in Shanghai, China with 2 production plants and branches.Jianglang Technology Co., Ltd offers the latest technology in air-operated double-diaphragm (AODD) pumps.AODD pumps are positive displacement reciprocating pumps that can be used in multiple fluid-transfer applications, and thanks to an unique design characteristics, AODD pumps are ideally suited for applications that require a robust, plug-and play, and easy-to maintain pump.The main products are Pneumatic Diaphragm Pump, Air Operated Diaphragm Pump, Electric Diaphragm Pump, Piston Pump, FDA Sanitary Pump, Powder Pump, Control Valve, Ball Valve.