LeaderPortfolio
family
Zheng Jianjiang & family
Rank #2299
CHINAManufacturingElectrical equipment

Zheng Jianjiang & family

Net Worth
$1.783B
-3.85% (24h)
Zheng Jianjiang, a self-made billionaire, is the founder and chairman of Aux Group. He co-founded Ningbo Sanxing Medical Electric in 2007, a company specializing in power distribution equipment. At 65 years old, Zheng's wealth stems from his ventures in the electrical equipment industry. His career began in 1986 at a watch parts factory, and he later expanded his business interests into air conditioner manufacturing, real estate, and telecommunications. As of March 2024, his net worth is estimated at $2.8 billion.

How to read Zheng Jianjiang & family's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Zheng Jianjiang & family, we anchor the narrative to Electrical equipment and Electrical equipment, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $1.783B alongside global rank #2299, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (CHINA) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life

Zheng Jianjiang was born in Ningbo, Zhejiang, China, on March 1, 1961. He started his career as a mechanic. At the age of 25, Zheng acquired a debt-ridden factory which was the predecessor of AUX Group. Initially, the factory was involved in manufacturing antenna and electricity meter covers.

Rise to Success

In 1990, Zheng expanded the business to include the manufacturing of electricity meters through its subsidiary, Ningbo Sanxing Meter Factory (now known as Ningbo Sanxing Electric). His business ventures expanded, adding air conditioner manufacturing in 1994, real estate in 2000, and telecommunications in 2002.

Key Business Strategies

Zheng co-founded Ningbo Sanxing Medical Electric in 2007 and took it public in Shanghai in 2011. Ningbo Sanxing supplies power distribution equipment such as smart meters and transformers. Zheng's strategic focus on electrical equipment and diversification into related sectors like air conditioning and real estate has been instrumental in his wealth accumulation. He currently serves as the chairman of AUX Group, a conglomerate.

Philanthropy

While specific details on Zheng Jianjiang's philanthropy are unavailable, his involvement in the National People's Congress suggests a commitment to contributing to societal well-being and potentially supporting initiatives within his community and beyond.

Career Timeline

2013

Became a deputy in the National People's Congress

Representing Zhejiang province.

2011

Took Ningbo Sanxing Medical Electric public

Listed the company on the Shanghai Stock Exchange.

2007

Co-founded Ningbo Sanxing Medical Electric

Company specializing in power distribution equipment.

1994

Ventured into air conditioner manufacturing

Expanded business operations.

1986

Started Career

Began working at a watch parts factory with a small group of people.

Philanthropic Impact

UnknownUndisclosed

Unknown

Unknown

Key Business Ventures & Holdings

CompanyStakeValue
AUX International Holdings Ltd68.55%

Net Worth History

In-Depth Analysis

Early Life

Zheng Jianjiang was born in Ningbo, Zhejiang, China, on March 1, 1961. He started his career as a mechanic. At the age of 25, Zheng acquired a debt-ridden factory which was the predecessor of AUX Group. Initially, the factory was involved in manufacturing antenna and electricity meter covers.

Rise to Success

In 1990, Zheng expanded the business to include the manufacturing of electricity meters through its subsidiary, Ningbo Sanxing Meter Factory (now known as Ningbo Sanxing Electric). His business ventures expanded, adding air conditioner manufacturing in 1994, real estate in 2000, and telecommunications in 2002.

Key Business Strategies

Zheng co-founded Ningbo Sanxing Medical Electric in 2007 and took it public in Shanghai in 2011. Ningbo Sanxing supplies power distribution equipment such as smart meters and transformers. Zheng's strategic focus on electrical equipment and diversification into related sectors like air conditioning and real estate has been instrumental in his wealth accumulation. He currently serves as the chairman of AUX Group, a conglomerate.

Philanthropy

While specific details on Zheng Jianjiang's philanthropy are unavailable, his involvement in the National People's Congress suggests a commitment to contributing to societal well-being and potentially supporting initiatives within his community and beyond.

Data Sources & Methodology

Figures for Zheng Jianjiang & family are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.