oltc100+ factories verified

Pearl Electric Co., Ltd. is a reliable power transformer manufacturer since 1958, covering an area of 100, 000 square meters modern workshop with 600 units advanced production equipments and own 618 professional full time employees.

Haocheng Group Co., Ltd. is located in Dongfeng Industrial Park, Liushi Wenzhou, which is famous production base of high and low voltage electrical appliances in China. Mainly research and develop power products, covering high and low voltage complete sets of equipment

Jiangsu DAELIM is a professional power transformer manufacturer, we mainly produce: HV power transformer, Small substation transformer, pad mounted transformer, dry type transformer and distribution transformer.

Qingdao Qingdian Electric Group was established in 2009 with a registered capital of 107.09 million yuan. Located in Jiangshan Industrial Park, Qingdao, the company covers an area of 25000 square meters, including a construction area of 16000 square meters. The total assets of the company are over 80 million yuan, and there are more than 100 employees, including more than 20 engineering and technical personnel. It is a high-tech enterprise specializing in the research and development, manufacturing, sales, power engineering installation, (repair, testing), and general contracting of electrical products such as power transformers.

Founded in 1996 in Liaocheng, China, Liaocheng Kete New Energy Co., Ltd. Has a registered capital of RMB 110 million, covering 260, 000 square meters (building area: 67, 000 square meters) and holding the title of National High-Tech Enterprise. We specialize in manufacturing power equipment (distribution transformers, box-type substations, high/low-voltage switchgear, transmission line towers, new energy tech & equipment) and hold Grade-4 Qualification for 110kV-and-below Electric Power Construction, Testing & Maintenance. We have developed into an integrated base for R&D, design, production and construction via tech innovation. Certified with ISO 9001, ISO 14001, OHSAS 18001 and CCC (for 18 low-voltage products), our products have passed CQC inspections. They serve urban power grids, power plants, substations, oil/chemical, railway and construction sectors, and are exported to the US, Brazil, Peru, Kenya, Ethiopia, India, Myanmar, Vietnam, etc. We sincerely welcome partners from home and abroad to explore cooperation opportunities and pursue mutual development with us.

VKE Transformer was established in 2003 with a registered capital of about US$13 million. In 2024, VKE sales performance reach about 25 million US dollars. We are now a leading manufacturer of distribution transformer in Jiangsu Province China. The company has 2 manufacturing bases covering an area of more than 30, 000 square meter. 3 modern workshops producing a variety of transformers to meet the needs of global customers. The main products are as follows: Energy-saving dry-type transformersOil-immersed transformersPad mounted transformerPole mounted transformerIntelligent substationsComplete electrical equipmentIntroducing advanced producing lines, Which Core cutting line and Epoxy Resin cast tank are world-leading lines. Owing to high quality products and good reputation, VKE has won a rapid development opportunity. We have professional technicians who can support OEM&ODM customized services to meet your personalized needs. There are strict testing standards, and every link from raw material inspection, production, finished product inspection, warehousing, outbound to installation is closely monitored to ensure product quality. VKE achieved ISO9001-2008 Quality Certificate, ISO14001-2004 Environment Certificate and OHSAS18001-2007 Health and Safety Certificate. Also our transformer meet international IEC Standard. And we are the qualified supplier of China National Power Grid & China Southern Power Grid. Thank you for your trust and support in our company. Let's create a win-win future together!

Yawei Group has more than 50 engineering and technical personnel, more than 1000 employees, covering an area of 240, 000 square meters, and the annual sales of the group company reaches 2.5 billion yuan, among which Jiangsu Yawei Transformer Co., Ltd. Sells 1.3 billion of medium-sized transformer enterprises, and the enterprise has successively won the honor of Jiangsu Quality trustworthy enterprise, national high-tech enterprise, Nantong quality, measurement, equipment, environmental protection, contract-respecting and credit-keeping Advanced Collective, Nantong civilized unit, Nantong, the industrial growth enterprise of Hai'an city, the top 20 industrial enterprises of Hai'an city, the quality pacesetter of Hai'an city, the Quality Award of Mayor of Hai'an city, the provincial four-star Shangyun enterprise, the specialized special new small giant enterprise of Nantong city, etc.

Golden Triangle Electric Power Technology Co. Ltd. was founded in Nov. 2009. It is a national high-tech enterprise, focusing on R&D, manufacturing and sales of industrial and civilian electric energy meters and Three dimensional triangular transformer, Amorphous alloy transformer, Photovoltaic substation intelligent substation.

Hefei Xinhuan Transformer Co., Ltd. is a professional transformer manufacturer in Hefei, China, specializing in the design, production, and supply of power transformers and electrical distribution equipment for global markets.

Guangdong Yuete Transformer Co., Ltd is a professional manufacturer, specializing in power supply business, electrical installation services, and power transformers and high and low voltage complete equipment R & D, production, sales in one. The headquarters is in Shishan Songxia of Foshan, with an area of 20, 000 square meters (the company's own property rights). Established in 2009, with a registered capital of 10.01 million yuan. There are more than 300 employees, with 5 modern production bases (Foshan: 3, Jiangmen: 2). The current annual turnover is about 360 million.

Jiangsu Hengda Transformer Co., Ltd has been a professional Transformer manufacturer with solid industry experience since 2011, backed by a registered capital of USD 15 million.

Zhejiang DaHu Electric Co., Ltd. Introduction

Jiangsu Delanshi Electrical Co., Ltd. is a professional electrical equipment manufacturer dedicated to providing reliable power distribution solutions for customers in different industries and project fields. The company focuses on the research, production, customization, and service of transformer products and related power distribution equipment, including oil-immersed transformers, dry-type transformers, pad-mounted transformers, prefabricated substations, and other medium and low voltage electrical products.

We(TAILI ELECTRIC Co., Ltd) was dedicated in design and manufacture electric equipments since 1988, is one of the largest and most respected manufactures of MV power distribution products in the "Electric Industry Center" of China. We have 5 branches workshops for Solar energy storage products, Transformers, Switchgears, Power substations, Outdoor Switch&Breakers.

Jiangsu REEGO Intelligent Technology Co., Ltd. (REEGO Electric), a wholly-owned subsidiary of  METAVAST Group, focusing on the R&D and manufacturing of Power Transformers. Leveraging the Group's years of experience in international Power Projects operation and management, the company has built a global supply chain network and sales service system. With excellent product quality, stable performance, and one-stop innovative technical solutions, the products are exported to over 60 countries and regions. R&D and technical innovation serve as the core driving force for the enterprise's sustainable development. RREEGO Electric drives growth by delivering core technology breakthroughs that address market needs, and will continue to uphold the business philosophy of R&D as the soul, innovation as the foundation, and quality as the priority in future. REEGO Electric will remain focused on digital empowerment and green innovation, build a more efficient and reliable smart energy ecosystem, and contribute Chinese wisdom to global energy transition and sustainable development.

Shenda International Engineering Co., Ltd. is a professional player in transformer industry, which established in Oct. 2000, located in Zhejiang province of China, holds two production bases and seven sales companies. We always focus on the R&D, have been appointed as a manufacturer of transformers at 330KV levels and below by National Electric Power Corp and Mechanical Industry Union. "EACHER" has been awarded "Famous Brand of Zhejiang Province".

Tianjin Haode Intelligent Electrical Co., Ltd founded in 2004, the registered capital of 50.13 million yuan, is headquartered in one of China's four big ancient capital of Tianjin, the business scope includes production and sales of high and low voltage electric power transformer, generator, electric arc furnacebox-type substation, power electrical complete sets of equipment integrated installation, power engineering construction, production and sales of cable, etc.

Qingdao Junling Transformer Co., Ltd. is a designated transformer manufacturer in China with more than 15 years of production experience and an annual output value of over 150 million yuan. The company has excellent manufacturing equipment, a strong technical force, advanced production technology, and complete testing methods. The main products are: Oil-immersed power transformers, epoxy resin dry-type transformers, high and low-voltage switchgear, box-type substations, and power complete installation. The products are widely used in power grid transmission transformers, municipal construction, steel smelting, chemical industries, factory substations, and other industries. The company continuously improves management and constantly improves product quality. The production process and inspection strictly follow the ISO9001 quality system and ISO14001 environmental system. Guided by the core values of "Integrity, Innovation, and Excellence, " we strive to advance technology, ensure superior quality, and prioritize customer satisfaction. We welcome partners from all industries to collaborate with us, working together to shape a brighter future for the power industry!

Jiangsu Tianhua Transformer Co. Ltd. Is a high-tech enterprise specialized in the production, development and sales of transformers and related products. Company is located in the second largest city in Jiangsu province, national comprehensive transportation hub, east China important science and education, culture, finance, tourism, health care, convention and exhibition center, important economic, commercial and trade center in Jiangsu province, Xuzhou city, the Beijing-Shanghai railway and the Longhai railway in this intersection, the Eurasian continental bridge traverses of Xuzhou, the transportation is extremely convenient.

Established in May, 2014, Zhejiang ROOQ Electric Co., Ltd is a technology-oriented enterprise specializing in R&D, sales and services of power transformers, transformer substation, ring main unit, cable branch box, switchgears, gas insulated cabinates, HV/LV switchgears, high and low voltage switches, wire and cable, LED street light and metal street light poles, telegraph posts of metal ect. It has four professional factories under its jurisdiction: Power Equipment Co., Ltd. Transformer Co., Ltd.; Switchgear Co., Ltd.; Metal fittings Co., Ltd.; Import and export trading company: Zhejiang ROOQ Electric Co., Ltd.

TSTY Electric Co., Ltd. Was established in 2011 and is located in Jiaxian County, Henan Province. It is a digital management enterprise integrating R&D, production, sales and installation of power equipment. The company's products cover 6kv, 11kv, 22kv, 35kv, 220kv, etc. Power transformers, distribution transformers, box-type substations, high and low voltage switchgear, wind power, photovoltaic power generation equipment, etc.

Established in 2023, Wukai Electric (Jiangsu) Co., Ltd. is subordinate to Code Zero Intelligent Technology (Suzhou) Co., Ltd, formerly known as Wujiang Tap-Changer General Factory

Refine On (Hebei) Electric Power Technology Co., Ltd. is strategically located in the Mancheng High-tech Development Zone of Baoding City-a core area renowned for its agglomeration of high-tech enterprises in North China, boasting convenient transportation networks, abundant talent resources, and a supportive industrial ecosystem for technological innovation. Rooted in this fertile ground for development, the company has fully dedicated itself to the high-tech field of power system automation, focusing on the R&D, production, and promotion of cutting-edge products that address the core needs of the power industry. Its product portfolio covers a comprehensive range of solutions, including power system marketing measurement equipment (such as intelligent electric meters, metering verification devices, and load management terminals), operation and maintenance high-voltage testing instruments (like transformer oil BDV testers, high-voltage insulation resistance testers, and partial discharge detectors), distribution network testing tools (including feeder automation testers, fault locators, and cable testing equipment), power consumption inspection devices (such as electricity theft detection instruments and energy efficiency analysis tools), as well as a full line of specialized tools and meters. As a technology-driven enterprise integrating R&D, production, sales, and after-sales service, it has established a one-stop service system to ensure that every link from product conception to user application is seamlessly connected and of high quality.

Production, sales, and maintenance of transformers, distribution cabinets, and electrical equipment, sales of transformer accessories, lubricants, wires and cables, and rental services for buildings. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)

Wuhan UHV Power Technology Co., Ltd., established in 2021, located in Wuhan East Lake New Technology Development Zone is also named Wuhan Optical Valley with convenient transportation access. And We have self-operation export and import rights.

Hebei Dual Canopy Mechanic Electrical Engineering Co., Ltd. - Enhanced Company Profile

Wuhan Huadian Hi-Tech Electrical Equipment Co., Ltd. (abbreviated as Huadian Hi-Tech), established in 2007 through the corporatization restructuring of the tertiary subsidiary of the former Wuhan High Voltage Research Institute, is a high-tech enterprise. Its predecessor, Wuhan High Voltage Research Institute Huadian Electric Company, founded in 1991, was among China's earliest manufacturers of high-voltage testing equipment.

Hunan Shiyou Electric Co., Ltd was founded by Xiangtan Shitong Electric Co., Ltd and Holland Unitron Group in April 2011. It is one of the companies that develop and manufacture the electrical control system of large-scale wind turbines in China. It is located in Xiangtan National High-tech Zone with a registered capital of 65.8 million yuan. In October 2013, the company was restructured and changed to a joint-stock company. It was recognized as a high-tech enterprise in 2013, and a provincial enterprise technology center in 2015. On June 27, 2014, it was successfully listed in the national share transfer system of New Third Board.

Kiyu Power Wuhan Co., Ltd is a high-tech enterprise professionally engaged in R & D, manufacture, and marketing of power testing products, instruments, power industry automation systems, which are supplied for national power companies, metallurgy petrochemical corporations, factories and public institution.

Xian XZH Electric Power Technology Co., Ltd. is located in the Eastern development zone of Xi'an City, Shaanxi Province, China, . Xi'an, is reputed as the most time-honored city with 13 dynasties for about 2000 years