Since 1994, Sichuan Chongzhou Hengda Electronic Factory has been professionally involved in manufacturing kinds of Electronic Transformers with good quality and service, which is located in Chengdu Plain, 35 km away from Chengdu Urban District and 15 km away from Shuangliu International Airport by high-way. After painstaking efforts and steady development, Hengda has grown into a hi-tech modern enterprise with R&D., manufacture and trade. The factory covers an area of 5 acres with floor area of 15, 000 square meters. Thanks to the hard working of over 300 workers including 26 technicians and 2 senior engineers, we can well make toroidal transformer 3.2 million pcs, EI transformer 3 million pcs annually and process toroidal iron core over 300 tons monthly. We are well armed with an advanced electronic transformer laboratory and equipments such as over 100 sets toroidal coil winding machines, 3 EI type transformer lines and 4 sets of vacuum annealing furnaces. By enjoying a good reputation, we well service our customers both at home and abroad, such as ABB, USA Maraud, USA Actuant, USA Gallien, Netherland Inrada, Denmark Foss, Austrilia JOY, Japan Wireless Tsukamoto, South Korea Choyang Medical, China Tsinghua Tongfang, China Changhong Electric, China Hushan Electronic etc. We insist on scientific administration, a complete set of operative regulations and measures are well performed in each section such as purchasing, production, QC, shipment, warehousing, trade, after-sales service, environmental protection and emergency treatment etc. As a result, we obtained the certificates including ISO9001, CESI, CE and ROHS. We pay a close attention to progress on technology and encouragement on technical innovation, so we rewarded quite a few of patents. Attributed to the policy of share, over 50% staff devoted themselves to us more than 5 years, they are well-trained, skillful, loyal and enjoying a good sense of belongingness and happiness. The above all a