Chongqing SD Experiment Instrument Co., Ltd (SDEI) is located in a National Level Economic Develop District--North New Economic Develop Zone. SDEI is a national key enterprise developing climate laboratory equipment and laboratory apparatus. SDEI is one Executive Council Member of China Instruments Manufacturers Association (CIMA). SDEI, well-known among China's instrument manufacturers, is a high and new technology enterprise of Chongqing.

SDEI features high technic and stresses honesty and credit. SDEI obeys"advancement of technic, priority of quality and credit, excellence of service and satisfaction of customer". We strive to produce different kinds of first-class high-quality climate environmental equipments with advanced technic, including High-low Temperature Test Chamber, Humidity Test Chamber, High-low Temp and Low Pressure Test Chamber, Thermal Shock Test Chamber, Fast Change Rate Temperature Test Chamber(ESS)and High Vacuum Chamber and Laboratory Instruments of international prestige, such as Forced Convection Oven, Electric Heating Incubator, Precision Thermostatic bath. All the products are well welcomed by customers both of China and overseas and especially in fields of aviation, spaceflight, electron, ships, weaponry, petrifaction, communications and institute of higher education, and some have made great contribution to the environment test on top level international equipment in China. And multitudes of Oven and Incubator which got the certification of CE are exported to Europe, Asia and South America.

SDEI pays much attention to quality management. SDEI got the certification of ISO9001: 2000 Quality System in 2000 and has been keeping this certificate all the time. SDEI strengthens the development of infrastructure construction and technological equipments.

SDEI moved to the new site of nearly 12000 square meters in Oct., 2008. Now SDEI has 5 advanced numerical control devices including 2 new ones, which made SDEI achieve numerical control of case processing, so as to guarantee the product quality in terms of processing technics.

SDEI implements "outstanding team, emphasis of details, high efficiency". SDEI is always faithful to all the customers both of China and overseas.