Current Transformer

Jiangyin Changjiang Electric Co., Ltd. is a subsidiary of Jiangsu Xinchao Technology Group Co., Ltd. and has successfully developed LED semiconductor signal lights since 1990 in the last century. In 1991, after being appraised by the Jiangsu Provincial Department of Science and Technology, passing the type test by the Shanghai Institute of Electrical Apparatus and achieving sales, the company officially established the "Changjiang Electric" AD11 signal light brand.

Today the company has become a leading manufacturer in the lighting industry of low-voltage electrical appliances and construction machinery. The main products include: AD11 series signal lamp, LA38 series button, LW38 selector switch, CJH-0.66 series low voltage current transformer, CJTD series engineering machinery lighting, etc. The company's products are widely used in power, machinery, industrial control, elevator, communication, rail transit, new energy and construction machinery. Its novel design and reliable product features have won the unanimous favor of the majority of users.

We insist on being customer-centric and quickly respond to customers' non-standard customization needs, and strive to provide customers with the best quality solutions; we adhere to the support of technological innovation, continue to expand the R&D personnel group, focusing on product development and upgrade; we insist In every detail, we strive for excellence, continuous optimization and improvement, and strive to provide customers with the best quality and best service.

Our company has been recognized as a "high-tech enterprise", and won the honorary titles of "Jiangsu five-star quality and integrity enterprise", "Jiangsu high-quality products" and "Jiangsu famous brand products". It has passed ISO9001:2015 (GB/T19001-2016) quality management system certificate of China Classification Society. The products have passed the national 3C compulsory product certification, EU CE certification, ROHS certification, CCS type certification of China Classification Society, and were selected into the "Product Selection Catalog for National Grid Construction and Transformation".

Our vision: to build Jiangyin Changjiang Electric Co., Ltd. into the leading low-voltage electrical and engineering machinery lighting industry companies in the domestic!

Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First".

Grewin is specialized in the design and manufacture of wound components such as transformer,current sensors, chokes etc .

windely used in communications,electronics,meters,industrial control,medical equipments and other fields.We are also a provider of power meters and instruments locators. 85% of its products exported to America, Europe, and Asia etc.

We have passed ISO9001,CE,SGS approval and IEC report and developed good cooperative relationship with valued customers around product quality and value-added service along with the fast efficient solution.Grewin has won a lot of customer's praise.

Henan Herui Electric Co., LTD., founded in 2014, is located in industrial agglomeration area of Linying County, Henan Province. Linying County industrial agglomeration area is located in central China, adjacent to Beijing-Hong Kong-Macao High-speed Beijing-Guangzhou High-speed Railway, with convenient transportation and beautiful environment. The company covers an area of about 50 mu Henan or electric co., LTD focus on research and development and production of the power electronics related products manufacturing, and is equipped with advanced production equipment and testing instruments, is committed to manufacture electric power industry has a competitive advantage at the forefront of new products, product has broad market prospects Henan rui electric co., LTD. Main products are dry-type air-core reactor toroidal transformer EI type transformer potting type electronic power transformer measuring low voltage current transformer measuring dc bias low voltage current transformer, etc

Zhiming Electrical Co., Ltd. . Established in 1991, our factory mainly produces single phase and three phases mechanical electronic type KWH meters, GE brand meter bases, panel meters, low voltage shunt capacitors, high voltage shunt capacitors, AC contactors, thermal relays, magnetic starters and switching capacitor contactors. We can also supply you with circuit breakers, residual current devices, switches, fuses, power, and other electronic components.

In March 2001, we passed the evaluation of ISO9001. We have independent export and import rights, and our "ZHIMING" brand products are now widely accepted by most clients. On the basis of Hi-tech and modern management, our company is robustly developing and glowing, with market share increasing greatly. In order to ensure and improve the quality, we have equipped with modern testing apparatus and excellent production technology and therefore continuously provided high quality products with low prices and the best quality, including DD28, DD17, DD862 and DT862 series KWH meters, DDS450 single phase electronic meters, DDSY or DTSY 450 electric meters with prepay fee, DTSF450 multi tariff kilo watt hour meters, GE meter bases, AMPER meters, voltage meters, BSMJ low voltage shunt capacitors, BMH high voltage shunt capacitors, power relays, CJ19 contactors for switching capacitors, AC contactors, and mini circuit breakers (MCCB). Besides meeting domestic market requirement to the maximum, our products are also exported to Southeast Asia, Russia and other countries and regions. Our company is devoted to building an integrated enterprise combined Tech research and Industrial Production with Trading, on the basis of "Best Quality, Excellent Services, Hard Research".

Under our topic of "True attitude, Creation and innovation, perfect services", we honestly welcome all clients to make mutual development with us.

Beijing Micropower Technology Co., Ltd. was established in 2008 and has been dedicated to the research of specialized transformer subdivision technology. It is a supplier of national high-tech enterprises guided by technology and innovation.

The company takes the transformer technology as the core, and currently the products have formed special series of ring network cabinets, special series of on-column switches, high-precision zero-sequence series, series of CT power take-off devices, series of high and low voltage switchgear, high-voltage energy metering devices, electronic charging, anti-misoperation locking system and line fault indication series etc. eight series of more than 100 kinds of specifications of products, are widely used not only in power systems but also in railways, chemical industry, oil fields, coal mines and many other fields.

Headquartered in Shahe Town, Changping District, Beijing, the company has four branches in Dalian and Baoding respectively. The company occupies a total area of about 80,000m2 and the building area of about 50,000m2, have 226 staffs ; among them, there are 12 R&D personnel and 26 technicians, 60 sales, 20 management staff; 108 main production equipments, 34 inspection and test equipments.

In 2010 passed the ISO9000 quality system certification and a number of qualification certifications from the XIHARI, WHVRI and Beijing Metrology Institute, and obtained 3 inventions and more than 30 patents; in 2016, obtained a national patent pilot unit. Up to now, there are more than one million units of product applications and ABB, Schneider, Siemens, XJ, Carey, and other well-known domestic and foreign power companies complete product support, linked to network operation.

Micropower Technology CO.,Ltd always takes 'Good people, better products, best future' as enterprise spirit, and takes 'Value model responsible to customers, harmonious home to employees, corporate citizen responsible to the country' as our vision to join hands with you, contribute to International Power Business!