Established in 1991, Chain Machine & Electronics Equipment (Shanghai) Co., Ltd. is a professional manufacturer and exporter that is concerned with the design, development and production of electronic products (AC/DC and DC/DC converters, solar panels, water analysis machines, electrodes), valves and elevator & escalator components. We are located in Jiading District, Shanghai, China with convenient transportation access. With long term exporting experience, we know quality is the life of our company. We have over 200 employees, annual sales figure that exceeds USD10 million and currently export 90% of our products worldwide. Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee total customer satisfaction. We have already passed ISO9001:2000, CE, UL and RoHS Certifications. If you are interested in any of our products