What Constar International does

Constar International, operating legally as Constar Automation Technology Co., Ltd. (北京控之星自动化技术有限公司), is a privately held Chinese industrial automation firm headquartered in Beijing's Shunyi District that specializes in turbomachinery control solutions. The company acts as an authorized Chinese business partner of Woodward Inc., integrating Woodward control platforms — including Micronet TMR, 505/505E/505XT, 5009 TMR, NetCon, and Protech GII — with proprietary algorithms, notably a Ratio/Limiter control scheme for co-generation double-extraction steam turbines. Its product portfolio spans steam turbine control and protection (DEH), gas turbine control, integrated turbine and compressor control (ITCC) with anti-surge logic, motion and actuation solutions (including EHA and all-electric actuators), hydro turbine control, reciprocating engine control, turbine simulation software, and embedded measurement/control development.

Constar sells primarily through a direct enterprise field-sales motion, delivering turn-key engineering projects that combine design, hardware procurement, software configuration, installation, commissioning, and startup, supplemented by 7x24h technical support, spare parts (including obsolete Woodward SKUs), product repair on dedicated test benches, and technical training. Customers are concentrated in China's heavy-industry state-owned enterprises — petrochemical (SINOPEC Jinling/Yizheng/Shijiazhuang, CNOOC Haihua, Sinpu Chemical, FREP), steel and metals (Ansteel, Meishan/BaoWu, Guizhou Aluminum/CHALCO), nuclear power (Tianwan), and power generation (Liyuan, Huadian Xinjiang) — with strategic alignment to Chinese turbine OEMs including Harbin Turbine Works, Siemens Industrial Turbine, Qingdao Jieneng, Shanghai Steam Turbine Works, and Nanjing Steam Turbine Works. The business is project-based with long-tail service revenue, ISO9001 certified for power-machine design and service, and generates revenue through one-time project licensing, professional services, training, and hardware/spare-parts sales. No public pricing or financial disclosure is available.

Note on identity: The firmographic header references a different US-based PET container manufacturer (Feasterville Trevose, PA, formerly NASDAQ:CNST). The detailed evidence — including the company website constar.com, the legal name 北京控之星自动化技术有限公司, ISO9001 certificate, customer testimonials, and product documentation — uniformly describes the China-based turbomachinery automation entity analyzed above.

Name

Constar International

Legal name

Constar Automation Technology Co., Ltd.

Website

https://constar.com

Company type

Private

Founded year

1927

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Constar International (北京控之星自动化技术有限公司) is a Beijing-based industrial automation firm and authorized Woodward partner that designs, integrates, and services turbomachinery control systems — steam turbine DEH, gas turbine, compressor ITCC, and hydro/engine controls — for Chinese petrochemical, steel, nuclear, and power-generation state-owned enterprises.

Ownership category

akta.pro rank

Product category

Industrial Automation & Turbomachinery Control Systems

NAICS

Relay and Industrial Control Manufacturing (335314)

SIC

Engines & Turbines (3510)

akta.pro primary industry

Prime Mover Components & Auxiliary Systems (Controls, Excitation, Lubrication, Cooling, Intake/Exhaust) (IMAHAFAJ)

Keywords

• Turbomachinery control systems
• Steam turbine control
• Gas turbine control
• Compressor anti-surge control
• Industrial automation services

Headquarters

HQ city

Feasterville Trevose

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Turn-key Engineering Projects: Constar delivers complete turbine/compressor control system projects including engineering design, hardware procurement (Woodward platforms), software configuration, installation, commissioning, and startup. Projects range from new installations to retrofits of aging mechanical-hydraulic governors. Revenue is project-based, typically multi-month engagements.
2. Technical Services and After-market Support: Ongoing technical support contracts providing 7x24h technical assistance, system maintenance, spare parts supply, and remote/on-site troubleshooting. Includes product repair services for Woodward controllers (2301, 505, Micronet, CPC) using dedicated test benches.
3. Training Services: Provides technical training programs covering Woodward products (505, Micronet, 5009, Protech), control theory (PID), and prime mover application knowledge to customers including SINOPEC, CNOOC, BASF-YANGZI, and others.
4. Spare Parts and Product Sales: Sales of spare parts including Micronet systems, TM-25 actuators, GS16 fuel valves, and obsolete/discontinued Woodward products. Parts are supplied with associated technical support including programs, parameters, and on-site service.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Constar delivers complete turbomachinery control solutions for steam turbines, gas turbines, compressors, engines, and hydro turbines in the energy, petrochemical, and steel industries. Offerings span turn-key engineering projects (design, hardware integration, software configuration, installation, commissioning, startup), 24/7 after-market technical support, technical consulting, training courses, product repair, and spare parts supply — built on Woodward control platforms with Constar's proprietary control algorithms.

Product overview

Constar International (北京控之星自动化技术有限公司) is an industrial automation company specializing in turbomachinery control solutions. The portfolio is organized as a platform-plus-modules architecture centered on turbine and compressor control systems. The core offerings include Steam Turbine Control & Protection (DEH), Gas Turbine Control, Compressor Control & ITCC, Motion and Actuation, Hydro Turbine Control, Engine Control, Embedded Control Systems, and Turbine Simulation & Industrial Software. These are built on Woodward control platforms (Micronet TMR, Micronet Plus, 505/505E/505XT, Protech GII, 5009 TMR) with associated actuators (TM-25, VariStroke). The company delivers complete solutions combining hardware platforms, control algorithms, engineering services, and long-term technical support, serving power generation, petrochemical, and steel industries.

Differentiator

Problem solved

Functional benefit

Products and services

• Steam Turbine Control & Protection (DEH)
• Gas Turbine Control
• Compressor Control & ITCC
• Motion and Actuation
• Turbine Simulation & Industrial Software
• Embedded Control System Development
• Engine Control
• Hydro Turbine Control
• Project Engineering Services
• Technical Services (24/7 Support)
• Technical Consulting
• Training Courses

Quantifiable outcome

• Multiple turbine control systems have been running stably for over 10–20 years, demonstrating long-term reliability.
• +2 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Seven partnerships are on record, tiered core and major.

• Woodward Inc.coreTechnology or IntegrationWoodward Inc. is the world-leading prime mover control manufacturer and has authorized Constar as a business partner. Constar develops optimum turbomachinery control solutions on Woodward's platforms (Micronet TMR, Micronet Plus, 505, 505E, 5009 TMR, NetCon, Protech GII) and has delivered dozens of turbine control projects in China. This is Constar's core technology partnership, providing the foundational control platforms on which all Constar's solutions are built.
• Harbin Turbine Works (哈尔滨汽轮机厂)coreStrategic or Co-development PartnerHarbin Turbine Works is one of China's largest steam and gas turbine manufacturers. Constar has maintained a long-standing relationship with Harbin Turbine Works to develop performance-driven control solutions, making OEM turbines more competitive. Constar has delivered control systems for turbines ranging from industrial units to 1000MW nuclear power turbines manufactured by Harbin Turbine Works.
• Siemens Industrial Turbine (西门子工业透平)coreStrategic or Co-development PartnerSiemens Industrial Turbine is a global leader in industrial turbines. Constar collaborates with Siemens to develop optimized turbomachinery control solutions, serving as a qualified supplier and integration partner for Siemens turbines deployed in the Chinese market.
• Qingdao Jieneng Turbine Works (青岛捷能汽轮机厂)majorStrategic or Co-development PartnerQingdao Jieneng Turbine Works is a major Chinese turbine manufacturer. Constar has maintained a long-term close cooperative relationship with Qingdao Jieneng, developing optimum control solutions for their turbine products, including co-generation extraction units.
• Shanghai Steam Turbine Works (上海汽轮机厂)majorStrategic or Co-development PartnerShanghai Steam Turbine Works is a major Chinese turbine OEM. Constar has successfully implemented multiple control projects for Shanghai Turbine Works turbines, particularly in SINOPEC and Meishan Steel applications, with long-term stable operation records.
• Nanjing Steam Turbine Works (南京汽轮机厂)majorStrategic or Co-development PartnerNanjing Steam Turbine Works manufactures extraction and back-pressure turbines. Constar has partnered with Nanjing Turbine on multiple DEH retrofit projects, including Sinpu Chemical and SINOPEC Shijiazhuang applications.
• GE Vernova (通用电气)majorTechnology or IntegrationGE is a major gas turbine OEM. Constar provides control solutions and technical support for GE LM2500 and LM6000 gas turbines in China, integrating Woodward control platforms with GE turbines at customer sites including Liyuan and Huadian Minhang.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Woodward Inc. Woodward is the global leader in prime mover control platforms (Micronet TMR, 505, Protech GII) — the same platforms Constar integrates. While Constar is a Woodward authorized partner, Woodward also sells directly in some segments, making it both supplier and most direct competitor for high-end turbomachinery control work.

Broad incumbents

• ABB: ABB is a global industrial automation and control systems incumbent with turbomachinery control offerings (Ability™ 800xA) that overlap with Constar's DCS/SCADA-adjacent ITCC integration work in petrochemical and power generation.
• GE Vernova: GE Vernova manufactures gas turbines (LM2500, LM6000) and associated control systems. Constar provides third-party control support for GE turbines in China, but GE's own Mark VIe control platform competes for integrated new-build turbine control scope.
• Rockwell Automation: Rockwell's Logix/FactoryTalk platforms serve industrial turbomachinery applications and have a meaningful installed base in Chinese process industries. It competes with Constar for PLC/SCADA integration scope in turbine and compressor retrofits.
• Honeywell: Honeywell Process Solutions (Experion PKS) and its turbine control heritage position it as a broad incumbent in turbomachinery and process control. It competes with Constar in large refinery and power plant automation projects globally and in China.
• Supcon Technology: Supcon Technology is a major Chinese process automation and DCS provider serving petrochemical, refining, and power customers. Its WebField control platforms overlap with Constar's ITCC and process integration offerings, particularly in domestic Chinese industrial segments.
• HollySys Automation: HollySys is a leading Chinese domestic automation and control systems provider, serving power, petrochemical, and rail markets. As a Chinese incumbent, it benefits from 'domestic substitution' preferences and competes with Constar in turbine and process control integration work.
• Emerson: Emerson's DeltaV and Ovation control platforms serve power generation and refining customers that overlap with Constar's petrochemical and power plant segments. Emerson's larger portfolio and direct China presence make it a broad incumbent competitor.
• Siemens Energy: Siemens Energy is a global turbine OEM and supplies industrial turbine control systems (SPPA-T3000, PCS 7). Constar is a qualified integration partner for Siemens industrial turbines in China, but Siemens' own controls compete in the same projects.
• Yokogawa Electric: Yokogawa's CENTUM VP and Exaquantum platforms are widely deployed in Chinese petrochemical and power plants, where Yokogawa competes for turbomachinery control and integrated process automation scope alongside Constar.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/constar-international

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Constar International