ZDVolt

Jiangsu Zhida High Voltage Electrical Co., Ltd, doing business as (D/B/A) ZDVolt, specializes in advanced high-voltage solutions, including transformer bushings, GIS and breaker bushings, substation post insulators, and bushing/instrument current transformers. Its products are engineered for exceptional reliability and high performance.

Founded in 2003, ZDVolt is a privately held, family-owned company with hundreds of patents. Its high-voltage bushing product line supports ratings up to 1000 kV and complies with IEC and ANSI/IEEE/CSA standards. ZDVlot’s transformer bushings have OIP, RIP, RIS, SEC™, and P&O™ series. The company maintains a manufacturing capacity of approximately 30,000 bushings and bushing current transformers, with an average lead time of five months.

By the end of 2025, ZDVolt has installed more than 200,000 high-voltage bushings worldwide, including in China, the United States, and Europe. Its patented “Porcelain & Oil” (P&O™) technology is the only field-proven, commercially available thermosiphon bushing solution in the industry, with over 504,000 installations.

ZDVolt operates fully integrated manufacturing facilities supported by a dozen in-house testing laboratories. These capabilities enable the production of key components such as porcelain using enhanced isostatic cold pressing, composite insulators, windings, metal parts, and fiberglass. ZDVolt also manufactures its patented BambuX™ composite insulators.

ZDVolt maintains active ISO 9001, ISO 14001, ISO 45001, GOST, UL, and ISO/IEC 17025 laboratory certifications.