Jiangyin Hengrun Heavy Industries Co., Ltd: history, ownership, mission, how it works & makes money

Founded in July 2003 and ISO 9001 certified by October of that year, Jiangyin Hengrun Heavy Industries (ticker 603985) has transformed from a precision machinery shop into a publicly listed manufacturer that posted total sales of 1.9 billion yuan in 2022 and a nine‑month net income of 64.31 million yuan through September 30, 2025 (a turnaround from a net loss of 73.68 million yuan the prior year); with strategic partnerships with Siemens, GE, Emerson and Vestas, a Jiangsu campus of more than 170,000 square meters, a workforce exceeding 1,400, over 68 patents as of December 2021, capital investment north of 1 billion yuan in manufacturing infrastructure, and active capital moves including China Everbright's ~5% stake and a buyback of 3,723,530 shares (0.84% of issued capital) for a total of 50,001,359.50 yuan at prices between 12.48 and 16.35 yuan per share, Hengrun's evolution, ownership shifts, technology base and diversified revenue from wind, gas turbine, nuclear, semiconductor and offshore equipment set the stage for an in‑depth look at how it operates and monetizes high‑end precision machinery.

Jiangyin Hengrun Heavy Industries Co., Ltd (603985.SS): Intro

• Established: July 2003
• ISO 9001 certification: October 2003
• SSE listing (ticker 603985): 2017
• Reported total sales (2022): ¥1.9 billion
• Strategic global partners (by 2023): Siemens, GE, Emerson, Vestas
• Net income (9 months to Sep 30, 2025): ¥64.31 million; prior-year same period net loss: ¥73.68 million

• Manufacturing capabilities: closed-die and open-die forging, heavy CNC machining, heat treatment, precision finishing.
• Product applications: turbine & generator shafts, rotors, bearings, valve bodies, large flanges and rings for energy and heavy industry.
• Quality & compliance: ISO 9001 since 2003; supplier qualifications for major OEMs in power and renewable sectors.

• Order intake and engineering: bespoke design and material selection for high-spec components.
• Forging & heat treatment: in-house capabilities for large-scale forgings and controlled metallurgical processes.
• Precision machining & inspection: multi-axis CNC machining centers, non-destructive testing (NDT), metrology and finish processes.
• Assembly & shipping: final assembly, quality certification, and logistics to domestic and international OEMs.

• OEM component contracts: long-term supply agreements with power, oil & gas, and wind turbine manufacturers.
• Project-based manufacturing: one-off or batch orders for heavy equipment projects and EPC contractors.
• Aftermarket & repair services: refurbishment, re-machining and spare-part sales for installed equipment.
• Value-added engineering services: design-for-manufacture, metallurgical consulting and testing services.

• Corporate form: Publicly listed joint-stock company (Shanghai Stock Exchange: 603985.SS).
• Capital markets impact: listing in 2017 broadened institutional and retail investor base; financial disclosures follow SSE rules.
• Governance: board of directors, supervisory board and executive management with industry-experienced leadership (company filings provide exact names and shareholdings).

• Industry focus: heavy forging and precision machining for energy, petrochemical and industrial equipment sectors-high entry barriers due to capital intensity and quality requirements.
• Export & OEM integration: by 2023, certified supplier relationships with leading global OEMs supporting international revenue opportunities.
• Profitability trajectory: 9-month turnaround to positive net income in 2025 indicates operational recovery or improved order mix versus prior-year loss.

Jiangyin Hengrun Heavy Industries Co., Ltd (603985.SS): History

• Ownership has evolved through strategic transfers among major holders and targeted repurchases.
• As of May 2025, China Everbright Limited held a 5.00% stake acquired prior to the company's 2017 IPO.
• In May 2025, Xu Guoxin and Wu Yihua agreed to purchase a 5.34% stake from Cheng Lixin for ~300 million yuan.
• Also in May 2025, Wang Mei'er and Tong Liang completed acquisition of a 2.90% stake from Cheng Lixin for ~180 million yuan.
• By July 2025 the company repurchased 3,723,530 shares (0.84% of issued share capital), spending 50,001,359.50 yuan.

• Core revenue from manufacturing and sale of heavy industrial equipment and related components to industrial clients.
• Service and aftermarket sales (parts, maintenance, technical services) augment product revenue streams.
• Capital management actions (share buybacks) deployed to support per-share value and signal management confidence.

Jiangyin Hengrun Heavy Industries Co., Ltd (603985.SS): Ownership Structure

• Listed ticker: 603985.SS (Shanghai Stock Exchange)
• Ownership mix: strategic corporate shareholders, institutional investors, retail/public shareholders
• Strategic partnerships and supplier recognitions act as de facto non-equity stakeholders supporting technology and market access

• Core mission: build internationally recognized high-end precision machinery through quality, innovation and collaboration
• Key partner ecosystem: Siemens, GE, Emerson, Vestas (technical cooperation, supplier recognition)
• Recognitions: named "excellent supplier" by Siemens, GE, Emerson and China Nuclear II & III Construction
• R&D orientation: industry-university-research collaborations with reputable universities to industrialize scientific and technological achievements

• Total patents (by Dec 31, 2021): 68
• - Invention patents: 35
• - Utility model patents: 33
• Focus: accelerate industrialization of scientific achievements to enhance core competitiveness

• Strategic partnerships with global OEMs (Siemens, GE, Emerson, Vestas) provide qualification, large project orders and entry to global supply chains.
• Proprietary technologies and patented products support higher margin custom equipment and long-term service contracts.
• R&D and university collaborations shorten commercialization cycles, expanding product lines and improving bid competitiveness for nuclear, wind, energy and heavy industry projects.
• Supplier recognitions by major global players help secure tender wins and repeat business on large-scale infrastructure and power projects.

Jiangyin Hengrun Heavy Industries Co., Ltd (603985.SS): Mission and Values

• Manufacturing footprint: a state-of-the-art facility in Jiangsu Province covering over 170,000 square meters.
• Workforce: more than 1,400 employees, including engineers and technical specialists with advanced degrees.
• Capital investment: over ¥1 billion (≈ US$150 million) invested in manufacturing infrastructure and automated production lines.
• Technology and IP: holds proprietary technologies and multiple patents that improve fabrication efficiency and product performance.
• Training and talent development: continuous programs to upskill employees in welding, NDT (non‑destructive testing), CAD/CAM and quality systems.

• Order engineering: client specifications converted into detailed designs and manufacturing plans using in‑house R&D and design teams.
• Material procurement: strategic sourcing of steel plate, forgings and ancillary components with supplier qualification and traceability.
• Fabrication lines: advanced welding stations, CNC cutting, plate rolling and heat treatment facilities tailored for heavy pressure vessels and tanks.
• Quality & testing: full NDT (UT, RT, MT, PT), pressure testing and compliance checks to national and selected international standards.
• Logistics & installation support: modular fabrication to enable road/sea transport and field assembly with on‑site commissioning teams.

• Product sales: turnkey delivery of pressure vessels, tanks and heat exchangers sold directly to industrial clients (petrochemical, chemical, energy, water treatment).
• Project contracts: engineering, procurement and construction (EPC) style contracts with milestone payments and long lead-time manufacturing margins.
• Aftermarket services: inspection, repair, retrofits and spare parts generate recurring revenue and higher-margin service income.
• Export sales: targeted international projects and exports diversify revenue by geography and currency exposure.

• Scale and vertical integration-large facility and in‑house capabilities reduce outsourced costs and lead times.
• Capitalized automation-investment in equipment lowers unit labor cost and improves yield.
• IP and process know‑how-patents and proprietary processes create product differentiation and pricing power.
• Skilled workforce and training-retains institutional knowledge and enables complex, high‑spec projects.

Jiangyin Hengrun Heavy Industries Co., Ltd (603985.SS): How It Works

• Core revenue streams: manufacturing and sale of precision components (wind power flanges, gas‑turbine parts, nuclear components, semiconductor equipment parts, pressure vessels, offshore oil & gas equipment).
• End‑to‑end services: product R&D and design, closed‑die and open‑die forging, heat treatment, CNC machining, finishing, non‑destructive testing, assembly and logistics.
• Customer & channel strategy: direct supply to multinationals and EPCs plus long‑term framework agreements and project contracts with industry leaders (Siemens, GE, Emerson, Vestas, China Nuclear II/III).

• Project contracting: fixed‑price or cost‑plus contracts for large EPC projects (nuclear, petrochemical, offshore) with milestone billing.
• OEM supply agreements: recurring component supply under multi‑year purchase agreements for turbine and wind‑power OEMs.
• Aftermarket & services: spare parts, reconditioning, technical services and inspection for installed base.
• Custom engineering sales: bespoke high‑precision parts for semiconductor and gas‑turbine customers billed at premium margins.

• Project contracts yield gross margins that vary by segment: high‑end precision OEM parts typically deliver higher gross margins than large commodity pressure vessels.
• Value capture comes from vertical integration (forging → heat treatment → machining → testing → assembly) which reduces subcontracting and shortens lead times.
• Scale and long‑term supplier status with global OEMs deliver predictable order flow and improved utilization, supporting operating‑leverage on fixed costs.

• Longstanding supplier approvals and "excellent supplier" recognitions from Siemens, GE, Emerson and China Nuclear II/III drive preferential procurement and repeated awards.
• Collaborations with Vestas and other turbine makers expand wind‑market penetration and open aftermarket opportunities.
• International certifications and technical qualifications enable participation in export projects and high‑barrier sectors (nuclear, aerospace‑class components).

Jiangyin Hengrun Heavy Industries Co., Ltd (603985.SS): How It Makes Money

• Core product sales: large castings, forgings, precision-machined components and assembled equipment for turbines, compressors, reactors and wind-turbine systems.
• Project-based EPC and contracted manufacturing: one-off and series production for major domestic and international integrators.
• After-sales services & maintenance: field service, retrofits, spare parts and performance upgrades with recurring revenue streams.
• R&D-driven licensing & technology transfer: commercialization of patented processes and joint development agreements.

• Market positioning: recognized as a leading supplier supporting high-end equipment manufacturing, building both domestic and international brand presence through deep cooperation with global industry leaders.
• Innovation pipeline: 68 patents as of Dec 2021 underpin product differentiation and allow premium pricing and licensing opportunities.
• Future outlook drivers: continued partnerships with Siemens/GE/Emerson/Vestas, focus on industrializing R&D outputs, and emphasis on precision, quality and certification to win larger, higher-margin contracts.