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2019-03-18

The website of Zhejiang Shuangfeng Electric Co., Ltd. is being revamped and is now online.

Recently, our company’s official website—developed in collaboration with China Enterprise Dynamics—has successfully gone live thanks to the joint efforts of both parties! The website provides a detailed introduction to our company’s basic information and key products. We warmly welcome both new and existing customers to browse and leave comments!

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2019-03-15

Welcome to Zhejiang Shuangfeng Electric Co., Ltd.

Zhejiang Shuangfeng Electrical Co., Ltd. was established in 1992 and is a manufacturer of metallized polypropylene film capacitors and aluminum electrolytic capacitors. The company’s main products include: CBB series AC motor capacitors, lighting fixture capacitors, low-voltage shunt power capacitors, and CD series starting capacitors, among others.

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2017-03-26

Chen Zhongyi, leader of the Capacitor Branch of the China Electronic Components Industry Association, visited our company for an on-site inspection and provided guidance.

On March 25, 2017, a delegation led by Chen Zhongyi from the Capacitor Branch of the China Electronic Components Industry Association visited our company for an on-site inspection. During the visit, Mr. Chen Zhongyi engaged in an in-depth discussion and exchange with Mr. Lin Zongchun, our General Manager, regarding issues such as the development and transformation of the capacitor industry.

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2025-12-04

Why do metallized polypropylene film capacitors bulge or rupture?

When the voltage applied to a capacitor exceeds its rated value or when the ripple current flowing through it is too high, the internal electric field strength increases, making the polypropylene film dielectric prone to localized breakdown.

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2025-12-04

How can we evaluate the heat dissipation performance and stability of capacitors?

Assessing the thermal performance and stability of capacitors—particularly power-type capacitors such as metallized polypropylene film capacitors and electrolytic capacitors—is crucial for ensuring their long-term reliable operation in power electronic systems.

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2025-12-04

What are the common failure causes of aluminum electrolytic capacitors?

The common failure mechanisms of aluminum electrolytic capacitors primarily stem from the combined effects of their structural characteristics (liquid electrolyte, aluminum oxide dielectric film, and polarity) and external operating conditions.

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Free Service Hotline

400-8859228

Address: Daxi Town, Dayangcheng Industrial Zone (Old Factory Site), Wenling City, Zhejiang Province

No. 29, Chenguang Road, Eastern New Area, Wenling City, Zhejiang Province (New Factory Site)

Postal code: 317500

Phone (domestic):0576-86336422 0576-86336677

Phone (Foreign Trade Department):0576-86336418

Fax:0576-86333127

Email:info@cnsofo.com

QQ (Enterprise): 3316823272

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