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JOURNEY · DETAIL
Wanhua Chemical: A Yantai leather factory's four-decade grind to become a global MDI oligopolist
Founded: Ding Jiansheng (Technical Leader), Yantai Synthetic Leather Plant Startup Team · Wanhua Chemical Group Co., Ltd.
JOURNEY
Key Fields
FIELD STAMPSIndustryChemicals / Materials / Mining
RegionChina
ScaleGiant
ChannelOther
Origin
In 1978, the state approved the construction of the Yantai Synthetic Leather Plant. To solve the shoe-wearing problem for Chinese citizens, it imported a 1-million-ton (note: 10,000-ton / 10kt) MDI unit from Japan that had already been classified as obsolete. The unit suffered from inherent design flaws and frequent breakdowns, and the Japanese side refused to transfer core technologies, charging exorbitant prices for replacement parts. Realizing that failing to master core MDI technology meant remaining at the mercy of others forever, Ding Jiansheng joined the factory after graduating from Qingdao Institute of Chemical Technology in 1983, leading his team onto the one-way path of independent research and development.
Milestones
1978
Inception Failure
In 1978, the Yantai Synthetic Leather Plant imported a 10,000-ton MDI unit from Japan, which was obsolete technology. Post-commissioning, the equipment failure rate was extremely high with chronically insufficient operating rates, resulting in year-after-year losses. The Japanese side refused to transfer core processes or sell spare parts for modification, plunging the factory into a desperate situation where it had money but could not buy technology.
1983
Technical Breakthrough Turning Point
After joining the factory in 1983, Ding Jiansheng led a team to conduct reverse engineering on the imported unit. In 1993, independently developed MDI manufacturing technology passed official appraisal, and the unit capacity was independently upgraded from 10,000 tons to over 20,000 tons, completely breaking away from technological dependence on the Japanese side. This marked a zero-to-one breakthrough for Chinese MDI technology, a phase spanning from 1983 to 1993.
1998
Institutional Reform Pivotal Shift
In 1998, Wanhua completed its shareholding system reform. Early on, to retain talent, it implemented employee stock ownership and market-oriented incentive mechanisms, cutting non-performing positions and transforming a declining old state-owned enterprise into a technology-driven, market-oriented company. That year, MDI capacity expanded to the 40,000-ton tier.
2001
Capitalization PMF
In 2001, Wanhua Chemical listed on the Shanghai Stock Exchange, raising funds for the construction of a 160,000-ton MDI project on Daxie Island, Ningbo. Around 2005, the Ningbo unit went into operation, propelling its capacity into the top tier in Asia and giving domestically produced MDI the scale to compete head-to-head with BASF and Bayer for the first time.
2006
Global Competition Turning Point
The Ningbo Phase II unit experienced repeated delays and budget overruns due to difficulties in technical engineering, but Wanhua persevered with its independent process route. Around 2010, the total capacity of the Ningbo base reached hundreds of thousands of tons, placing its global market share in the top three and forcing international giants to slash prices in the Chinese market to compete. This phase extended from 2006 to 2010.
2011
Cross-Border M&A Pivotal Shift
In 2011, Wanhua's parent company acquired BorsodChem, a near-bankrupt chemical enterprise in Hungary, for approximately 1.26 billion euros, securing a European production and market bridgehead. This transaction, criticized at the time as a 'snake swallowing an elephant,' later became one of the most successful overseas M&A deals in China's chemical industry.
2018
Comprehensive Listing Growth
In 2018, Wanhua Chemical absorbed and merged Wanhua Chemical Group to achieve a comprehensive overall listing. That year, its global MDI market share reached about 25%, surging to first place worldwide, with annual revenue of approximately 60.6 billion yuan and net profit exceeding 10 billion yuan, transforming from a small Yantai factory into a global polyurethane oligopolist.
2019
Integrated Expansion Growth
The Yantai Bajiao Industrial Park and Sichuan Meishan base successively went into production. In 2021, revenue reached a historic peak of approximately 145.5 billion yuan with a net profit of 24.6 billion yuan. The commissioning of the ethylene project completed the integration of petrochemicals and new materials, eliminating the risk of cyclical volatility tied solely to MDI. This phase extended from 2019 to 2022.
2023
Cyclical Pressure & New Curves Turning Point
Starting in 2023, the MDI industry entered a downturn while losses in the petrochemical sector dragged down performance, causing net profit to retreat from its high of 16.8 billion yuan. The company pivoted to bet on a second growth curve encompassing battery materials, citral, and nylon 12. By 2026, MDI capacity reached approximately 4.5 million tons as it continued expansion to consolidate its global leadership. This phase extended from 2023 to 2026.
Turning Points
- In 1993, independent MDI technology passed appraisal, completely breaking away from dependence on obsolete Japanese units.
- In 2011, the 'snake swallowing an elephant' acquisition of Hungary's BorsodChem secured European capacity and market access in a single stroke.
- In 2018, following the overall listing, Wanhua's global MDI market share rose to about 25%, officially crowning it world number one.
Failures & Pitfalls
- The imported 10,000-ton Japanese unit was inherently obsolete; post-commissioning, it suffered from long-term high failure rates, low operational rates, and annual losses.
- The Japanese side refused to transfer core technology or even sell component modification plans, driving the company to the brink of production shutdown in the early days.
- The engineering phase of the Ningbo Phase II unit faced repeated delays and cost overruns, making the cost of the independent scaling route extremely high.
- After 2023, the MDI downturn coupled with petrochemical sector losses caused net profit to drop significantly from its historical peak.
关键成功要素
- Spent forty years chewing on a single tough bone—MDI—making a single product dual-first globally in cost and technology.
- Combined reverse R&D with independent scale-up, substituting engineer dividends for technology imports that could neither be bought nor afforded.
- Shareholding reform and employee stock ownership transformed an old state-owned enterprise into a technology-driven, market-oriented organization.
- Achieved globalization through the acquisition of BorsodChem and a multi-base layout spanning Yantai, Ningbo, Sichuan, and Hungary.
- Extended from MDI to the integration of petrochemicals and new materials, smoothing out cyclical fluctuations using chain reactions.
Lessons
- Core technology cannot be bought; importing obsolete production lines only hands control of your neck to others.
- The price of technological independence is a decade-level run of losses and delays; failing to endure it means no future.
- Once reaching the summit with a single oligopolistic product, a second curve must be laid out immediately, or profits will be halved when the cycle hits.
- SOE reform is not a burden; with the right mechanisms, an old factory can defeat multinational giants.
- Overseas M&A should strike when the counterpart is at its lowest trough, allowing a snake to swallow an elephant as the best shortcut to globalization.
Core Data
- 二苯基甲烷二异氰酸酯全球产能：Approximately 4.5 million tons (2026) (Based on public disclosures; independent verification unverified)
- 全球市场份额：Approximately 30% (Global No. 1) (Based on public disclosures; independent verification unverified)
- 营收峰值：145.5 billion yuan (2021) (Based on public disclosures; independent verification unverified)
- 净利润峰值：24.6 billion yuan (2021) (Based on public disclosures; independent verification unverified)
- 收购BorsodChem金额：Approximately 1.26 billion euros (2011) (Based on public disclosures; independent verification unverified)
- 上市年份：Listed on SSE in 2001, overall listing in 2018 (Based on public disclosures)
- 员工规模：Approximately 28,000 employees (Based on public disclosures; independent verification unverified)
Competitors / Peers
The global MDI industry features a typical oligopolistic structure, with primary competitors being BASF, Covestro (formerly Bayer MaterialScience), Huntsman, and Dow. Covestro's 2022 revenue was approximately 18 billion euros, but profitability faced pressure from European energy cost shocks; BASF has successively shut down parts of its European units. Meanwhile, leveraging coal-based feedstock and integrated cost advantages, Wanhua continues to poach market share, virtually forming a monopoly domestically.
Sources
- https://news.pedaily.cn/201912/449626.shtml
- https://36kr.com/p/2338983528648201
- https://finance.sina.com.cn/roll/2025-10-27/doc-infvinsr2193226.shtml
- https://cen.acs.org/articles/94/i21/CEN-profiles-Wanhua-Chemical-Chinese-cn.html
- https://finance.sina.com.cn/wm/2026-05-19/doc-inhymqcm7505786.shtml
- https://xincailiao.ofweek.com/news/2021-12/ART-180400-8500-30538380.html