China · Yongfan Electric Co., Ltd. (YOF®) — ISO9001 & CCC Certified OEM/ODM Manufacturer

YOF@cnyofan.com
+86-577-27877036
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Contact China · Yongfan Electric Co., Ltd. (YOF®)

Direct Factory Wholesale Pricing & Custom OEM Engineering

Founded in 2009 in Liushi Town, Yueqing (China's Electrical Manufacturing Capital), China · Yongfan Electric Co., Ltd. (YOF®) engineers and manufactures wholesale Control & Dry-Type Transformers (30VA–1000kVA), Microprocessor SCR Motor Soft Starters & Switchgear Cabinets (5.5kW–630kW), YFX01 Autotransformer Starting Boxes (10kW–320kW), and High-Precision AC Voltage Stabilizers & Contact Variacs (0.2kVA–1000kVA) for global electrical distributors, switchgear fabricators, and OEM machinery builders.

Factory Address (EN & CN):

Dongfeng Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China

China · Yongfan Electric Co., Ltd. (YOF@)

Connect directly with our factory sales and electrical engineering team in Yueqing, Zhejiang, for bulk pricing, custom voltage winding specifications, and OEM/ODM distributor partnerships.

Factory Address:

Dongfeng Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China

Request Factory Wholesale Quotation (RFQ)

Fast response within 12 business hours · Direct factory pricing & technical datasheets

*Company / Organization Name
*Contact Person & Title
*Business Email Address
*Phone / WhatsApp / WeChat
*Model Numbers, Capacity (kVA / kW) & Custom OEM Requirements

B2B Procurement & Contact FAQ

Frequently Asked Questions Before Sending an Inquiry

1. Are we communicating directly with the manufacturer when emailing YOF@cnyofan.com?
Yes. YOF@cnyofan.com and +86-577-27877036 connect you directly to China · Yongfan Electric Co., Ltd. (YOF®) at our manufacturing plant in Dongfeng Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province—established in 2009 with ISO9001 and CCC certifications.
2. Can we request custom voltage windings or special cabinet configurations not listed in standard tables?
Absolutely. Across our BK, JBK3/JBK5, JMB/BJZ/DG, and SBK/SG(ZSG) transformers, primary and secondary voltages can be customized to your exact specification. For DJW/SJW non-contact regulators, 1% high-precision output and phase-loss/phase-sequence protections can be custom built. Simply note your requirements in the RFQ form above.
3. What documents are included inside each shipped product carton or wooden crate?
As specified in our factory catalog standards, each delivered unit is accompanied by its official User Manual (Operation Instructions), Quality Inspection Certificate (Qualification Certificate), and Packing List.
CHINA · YONGFAN ELECTRIC CO., LTD. (YOF®)

Professional China manufacturer of BK/JBK/JMB/SBK/SG Transformers, Online & Bypass Intelligent Soft Starters & Cabinets, YFX01 Autotransformer Starting Boxes, TND/TNS/SBW/DJW/SJW Voltage Stabilizers, and TDGC2/TSGC2 Contact Voltage Regulators since 2009.

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FACTORY CONTACT

Add: Dongfeng Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China

Tel: +86-577-27877036 | Fax: +86-577-27877037

Mobile: +86-13968736791 / +86-13868325933

Email: YOF@cnyofan.com

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