JINSHANMEN TECHNOLOGY CO., LTD

Founded in 1996, the Jinshanmen brand is currently centrally operated by Jinshanmen Technology Co., Ltd., a modern high-tech enterprise specializing in the R&D, production and sales of transformers as well as high and low-voltage power transmission and distribution equipment.
The enterprise owns two major production bases in Yueqing and Lishui, covering a total area of 200,000 square meters. It currently has over 600 employees with total assets reaching 1.2 billion yuan. Equipped with advanced automated production lines, precision testing equipment and mature manufacturing processes, the company boasts a professional R&D team and senior technical backbones, endowing it with strong capabilities in technological innovation and large-scale production.
Core business scope covers: 10kV and 35kV oil-immersed power transformers, 10kV and 35kV epoxy resin cast dry-type transformers, Class H insulated eco-friendly dry-type transformers, as well as 6kV and 10kV mine mobile substations and mine-used oil-immersed three-phase transformers. Since 2011, the company has expanded its production to a full range of supporting power transmission and distribution equipment, including prefabricated substations, combined substations, wind power box substations, high and low-voltage switchgears, etc., with an annual comprehensive production capacity of 10 million KVA. Its products are widely applied in power grids, railway transportation, mining, shipping, new energy and other key sectors.

Adopting a specialized zoned production layout, the group has three wholly-owned subsidiaries with clear division of labor and coordinated development
Jinshanmen Transformer Co., Ltd. (CHSM)Established in October 2005, it is a high-tech enterprise integrating scientific research, development, production and sales, with a registered capital of 50 million yuan. The company has obtained ISO international quality system certification and complete authoritative qualifications including production licenses and coal safety certification. It serves as the core production base of the group for resin-insulated cast transformers, Class H insulated eco-friendly dry-type transformers and mine mobile substations.

Jinshanmen Electric Appliance Co., Ltd.Founded in 2011, the company is located in Jinshanmen Industrial Park, Yueqing Economic Development Zone, Wenzhou, Zhejiang. With a factory area of 50,000 square meters and a registered capital of 6.5 million US dollars, it professionally engages in the R&D and manufacturing of complete sets of power distribution equipment such as various high and low-voltage switchgears and box substations.

Jinshanmen Technology Co., Ltd.Formerly known as Lishui Jinshanmen Electric Appliance Co., Ltd., construction of the company started in May 2011, and it now acts as the core entity of the group. Integrating high-end design, technological R&D and assembly line production, it focuses on the customization and manufacturing of large-scale 10kV and 35kV high-voltage power equipment, and devotes itself to the power transmission and distribution industry in line with the standards of modern large-scale high-tech enterprises.

Enterprise Honors & Certificates
Over the years, JSM has been recognized for its outstanding performance in product quality, technological innovation and industry contribution, winning a number of enterprise honors that witness our development and efforts. We adhere to the principle of quality first, and all products have obtained complete and standardized certificates to ensure compliance and reliability.
- Enterprise Certificates: ISO9001:2008 international quality management system certification, national electrical product quality supervision and inspection certificate, product production license, national safety sign, explosion-proof certificate and other relevant industry certificates.



- Enterprise Honors: With professional strength and sincere service, we have won honors in the power transmission and transformation industry, gaining wide recognition from the industry and customers, and consolidating our position as a reliable electrical equipment supplier.

Our Products & Applications
As a professional power transmission and transformation equipment manufacturer, JSM focuses on core products including oil-immersed power transformers, dry power transformers, flameproof dry-type transformers, flameproof mining mobile substations and high-low voltage switchgear. With an annual production capacity of 6 million KVA and a maximum single product capacity of 31500 KVA, our products are widely used in electric power, railway, mining and other key fields.
Our Philosophy & Commitment
With years of entrepreneurial experience, JSM is committed to the power transmission and transformation industry development. Adhering to the core values of "dedication, honesty, cooperation and innovation" and the enterprise spirit of "Stick to it and take it seriously", we put people first, focus on customer satisfaction, and continuously innovate to enhance enterprise core competitiveness.
Our corporate goal is to "Strive to create an international brand and open up an international market". We adhere to the win-win concept, win new and old customers' trust with sincere service, and make the "JSM" brand deeply rooted in customers' hearts.
Our Vision
With all JSM employees' joint efforts, we will continue to provide high-quality, efficient and safe electrical equipment for the global market. We sincerely look forward to cooperating with new and old customers from all walks of life to seek win-win results and create a brilliant future.
Solemn Statement
Jinshanmen Technology Co., Ltd. (hereinafter referred to as "the Company") hereby clearly states that the Company currently has no form of cooperative relationship or authorization relationship with the websites www.chnjsm.com, www.chjsm.cn, Yueqing JSM Transformer Co., Ltd. and the SHKSM brand. There exists no historical cooperation connection, nor any affiliation, equity participation or other associated relations between both parties.
This statement is based on objective facts, aiming to put an end to market confusion caused by false association. In accordance with Article 6 of the Anti-Unfair Competition Law of the People's Republic of China, any confusing act that may cause misunderstanding of a specific connection with others is prohibited. Meanwhile, in compliance with relevant provisions of Article 57 of the Trademark Law of the People's Republic of China, the Company legally enjoys the exclusive right to use the JSM trademark. Any unauthorized use of this brand or false association with the Company may constitute trademark infringement and unfair competition.
The only legitimate brand of the Company is JSM, and all related products and services are exclusively operated by Jinshanmen Technology Co., Ltd. All customers and partners are requested to carefully distinguish and recognize the Company's official entity and the JSM brand, so as to avoid misunderstandings or losses arising from false association information. The Company will strictly safeguard its legitimate rights and interests in accordance with relevant national laws and regulations, and reserves all legal rights to pursue liabilities for any acts of false association, infringement and market confusion.
