About Us

1. Company Overview (About Us)

A Global Leader in Diesel Fuel Injection Test Solutions | Military-grade Quality · Intelligent Integration · Global Services
Tai’an Dongtai Machinery Manufacturing Co., Ltd. is a comprehensive enterprise specialized in the independent design of diesel fuel system equipment, R&D of intelligent testing systems, manufacturing of key components and provision of digital solution services. Since its establishment, we have always upheld the core values of Independent Innovation, Precision Intelligent Manufacturing, Global Synergy and Win-win with Customers, and taken Breaking technical barriers and empowering the high-quality development of the global automotive industry as our corporate mission. Relying on strong independent equipment design capability, in-depth international cooperation resources and innovative software R&D strength, we have forged ahead steadily in the fierce market competition, becoming a world-leading manufacturer of high-precision diesel fuel injection system testing equipment, and committed to providing one-stop diesel system test solutions for global customers.
Headquartered in Tai’an City, Shandong Province, we have established distributors and service centers in the Middle East, South America, Southeast Asia and other regions, forming an integrated network of Independent Design + Global Collaboration + Localized Service. Our products and services cover more than 100 countries and regions worldwide, enabling us to quickly respond to the needs of global customers and provide professional and efficient full-cycle support.
After more than a decade of technical accumulation, Dongtai has evolved from a traditional manufacturing factory into a technology-driven enterprise. We perfectly integrate military-grade manufacturing standards with large-scale production capacity to ensure that every piece of our equipment — from classic mechanical pump test benches to cutting-edge high-pressure common rail intelligent testing systems — can meet the stringent requirements of the global aftermarket. We do not only sell machines, but also define the industry standards for reliability and durability.

2. Business Matrix: Diversified Layout & Precise Empowerment

We are your one-stop “Supermarket for Diesel Maintenance Equipment”
Focusing on the full-chain demands of the automotive industry, and relying on our independent design capability and advantages of international cooperation, we have built an integrated business system of Hardware + Software + Services, mainly covering the following sectors:

Core Business Segment Ⅰ

1. High-pressure Common Rail System Test Platforms

Covering a full range of high-pressure common rail test benches including CR815, CR819, CR518-EURO6, CR1016 and other series, fully compatible with mainstream systems such as Bosch, Delphi, Denso, Siemens, CAT and Cummins, and supporting the testing of various precision components including piezoelectric injectors.

2. Diesel Injection Pump Test Systems

Providing classic 12PSB series diesel injection pump test benches, which have become the industry-standard equipment in the field of mechanical pump testing for their stability, reliability and long service life.

3. Specialized Integrated Test Units

  • CRI/CRP Independent Tester (compatible with CR1016 series)
  • EUI/EUP Cam Box and Specialized Tester
  • HEUI Test System (specially for Caterpillar C7/C9 and other models)
  • VP37/VP44/RED4 Electronic Control Pump Tester

4. Multi-functional Comprehensive Test Benches

Including CR828, CR918, CR1018-PLUS and other series, supporting multi-function with one machine and flexible configuration to meet diversified integrated testing needs.

5. High-power Comprehensive Test Platforms

Covering CR619-LTBR, CR1019 and other series, with high-load and high-precision testing capabilities, suitable for fuel system testing of high-power engines.

6. Emission Post-treatment & Maintenance Equipment

  • Diesel post-treatment regeneration equipment: cleaning and regeneration of DPF, DOC and SCR systems
  • Professional gasoline system maintenance equipment: GDI and gasoline cleaning machines to ensure the cleanliness and high efficiency of fuel systems

Core Business Segment Ⅱ

Independent Design and Manufacturing of Core Equipment for Diesel Fuel Systems
We deeply cultivate the entire industrial chain of diesel fuel systems, and focus on the full-process independent R&D and production of automotive intelligent testing terminals, engine testing systems, chassis testing equipment and core components of diesel engines. Our core components cover nozzles, valve assemblies, repair kits, plungers, pump heads, fuel feed pumps, delivery valves, injectors, injection pumps, turbochargers and other key categories, realizing full-link independent control from scheme design, structural simulation and performance testing to mass production.
Our products boast prominent core advantages: compatible with the original factory protocols of automobiles, with a testing accuracy of 0.001μm grade, covering the full-system testing needs of more than 98% of the models on the market. We have successfully launched a series of core products including injection pump detectors CRS590/CRP890/CR330, intelligent injector testing terminals CR1900/CR-C Series/CRI325 (including versions compatible with BOSCH CRIN4), DENSO I-ART Tester, VALVE TESTER DT ELE-V2 and MEGA TESTER DT PIE-V4. Relying on high compatibility, precision and easy operation, our products are widely applied in global automobile manufacturers, professional maintenance institutions and aftermarket, providing customers with integrated supply solutions from core components to testing equipment.

Core Business Segment Ⅲ

We have deeply rooted in the field of diesel vehicle maintenance tools, and established long-term technical cooperation with world-renowned enterprises such as Caterpillar (USA), BOSCH (Germany), DENSO/DELPHI (Japan). We continuously introduce and transform advanced international manufacturing and maintenance concepts.
Centering on the maintenance needs of diesel vehicles and engine systems, and focusing on the development direction of intelligence, digitalization and precision, we have jointly developed a complete product system covering diesel vehicle parts disassembly and assembly tools, precision measuring tools, professional testing and diagnostic tools, which are widely used in the maintenance of injectors, common rail systems, engine assemblies and key components.
We deeply integrate top international technical standards with local maintenance working conditions and market demands, and can provide customized tool R&D, technology output and localized adaptation services according to different vehicle models, maintenance standards and application scenarios of global customers, effectively helping customers improve maintenance efficiency, control costs, realize standardized operation and digital upgrading.
Core Keywords: Diesel Vehicle Maintenance Tools | Professional Disassembly & Assembly Tools | Precision Measuring Tools | Intelligent Testing Tools | Injector Maintenance | Common Rail System Testing | Engine Maintenance Tools | Customized Tool Development | International Technology Transformation | Cost Reduction & Efficiency Improvement | Digital Maintenance Solutions

Supporting Service Segment

We have established long-term strategic cooperation with industry leaders such as Caterpillar (USA), BOSCH (Germany), DENSO/DELPHI (Japan). Focusing on the development trend of electrification, connectivity and intelligence of diesel vehicles, we jointly carry out R&D in cutting-edge fields such as new energy vehicle testing technology, lightweight equipment design and intelligent diagnosis algorithms. We deeply integrate the technical concepts of top international enterprises with local market demands, and can provide customized R&D, technology output and localized adaptation services according to the needs of global customers. Our services include special automotive maintenance tools (common rail system tools, special tools for EUI/EUP/HEUI, etc.), maintenance equipment (wheel repair, automobile cleaning equipment, etc.), as well as 7×24 multi-language technical support, installation and commissioning, maintenance and other full-cycle services. Each product and major maintenance process is equipped with high-definition operation videos, which greatly reduce the learning and application threshold for end users. We have formed a complete ecology of Products + Technology + Services.

3. Core Advantages: Strength as the Foundation, Reputation for Long-term Development

We break the industry limitations and integrate the strengths of various parties to provide you with unparalleled comprehensive competitive advantages.

Core Advantage of Independent Equipment Design

We have built a full-chain independent R&D system from conceptual design and simulation verification to mass production, with a design team led by industry experts, doctors and senior engineers, accounting for 38% of the total R&D personnel. We have accumulated 115 invention patents and utility model patents in the fields of equipment structural design and intelligent testing algorithms, and hold independent brands such as Injectronix, DIP, TOPDIESEL, DRWORK, DTCN and SANXIANG. Our independently developed core products have broken multiple technical barriers, reaching the international advanced level in terms of testing accuracy, compatibility and ease of operation, and can quickly realize customized design and iterative optimization according to customer needs.

Advantage of Global Diversified Cooperation

We have formed a dual cooperation pattern of Sino-US-German-Japanese technical synergy + Sino-German-Turkish joint software R&D: sharing intelligent technical resources with Caterpillar (USA), building a joint laboratory for precision manufacturing with BOSCH (Germany), deepening cooperation in lean production and supply chain management with DENSO/DELPHI (Japan), and jointly overcoming the R&D difficulties of cross-border collaborative software with Turkish teams. Through cross-border resource integration and technical exchanges, we ensure that product quality and technical performance keep pace with the international forefront. Meanwhile, relying on the global production bases and service network, we quickly connect with supply chain resources to achieve cost optimization and improved market response efficiency.

Advantage of Quality Service & Certifications

All our products have passed the ISO9001 Quality Management System Certification and EU CE Certification, covering key links such as embedded software quality assurance, safety parts management and full-chain supplier control. Strict quality control is implemented in every link from raw material procurement, design verification, production and manufacturing to after-sales service. All equipment (e.g., common rail test benches) undergo complete testing before delivery, accompanied by exclusive test videos and product serial numbers, ensuring your confidence in product quality upon receipt. We have also built a 7×24 multi-language global service team to provide comprehensive support including technical consultation, remote diagnosis and on-site service. In case of equipment problems, we offer remote online diagnosis and guidance with quick response to minimize downtime.Our customer satisfaction rate has remained above 99% for consecutive years.

Original Factory-level Precision

Adopting top-tier high-precision flow sensors and intelligent control systems, our test data is highly aligned with the original factory equipment of Bosch and Delphi, ensuring 100% accurate and reliable diagnosis results. The structural design has been precisely adjusted to achieve ultra-low noise and vibration-free operation, creating a laboratory-grade professional working environment for you.

Advantage of Technology Integration & Talents

We have built intelligent production lines with prestigious domestic universities such as Tsinghua University and Harbin Institute of Technology. The jointly developed automatic injector production lines ensure that the performance of core parts (injectors, injection pumps, nozzle plungers) meets the original factory standards. We own a modern factory with independent control over the entire process from precision machining to assembly. Meanwhile, we have gathered professional talents from China, the United States, Germany, Japan and Turkey to form a core team with both international vision and local experience, covering equipment design, software R&D, precision manufacturing, cross-border project management and other fields. Upholding the people-oriented talent philosophy, we provide employees with a complete training system, broad promotion space and cross-border collaboration platforms.

Active Global Market Layout

We regularly participate in top domestic and international industry exhibitions every year, including Automechanika Frankfurt (Germany), AAPEX (USA), Automechanika Shanghai (China), Turkey Auto Parts Exhibition, Uzbekistan Auto Parts Exhibition, Brazil Auto Parts Exhibition and Ecuador Auto Parts Exhibition. We face the market directly, keep pace with industry trends, communicate and learn from peers, and expand market and customer resources.

Source Factory & Ultimate Cost-effectiveness

  • Factory Direct Pricing: Relying on the mature supply chain system and large-scale mass production capacity in Tai’an, we eliminate intermediate premiums to provide you with the most competitive factory direct prices.
  • Durable & Robust Performance: Whether it is the 12PSB mechanical series or high-end CNC series, our equipment is renowned for its ruggedness, adapting to various voltage fluctuations and harsh environments with an extremely high return on investment (ROI).

In-depth Customer Empowerment System

We have a training center equipped with real equipment for teaching, providing offline and online technical training. We have multi-language training manuals, product catalogs and data books, and independently developed the CR BOOK APP, integrating parts inquiry, maintenance videos, fault cases and 3D illustrations to empower terminal technicians. Through CR BOOK, we realize the intelligent connection of equipment, parts, data and personnel, improving terminal service efficiency and customer stickiness, and bringing you sustainable business opportunities.

Win-win Cooperation Support

We provide exclusive regional protection policies, joint marketing materials, technical training quotas and market promotion support to grow together with you.

4. Corporate Culture: Unite as One for a Shared Future

Corporate Mission: Empower industrial upgrading through independent design, create win-win value through global collaboration, and drive technological progress and high-quality development of the automotive industry.Core Values: Independent Innovation, Precision & Steadfast Practice, Global Synergy, Customer First, Integrity & ResponsibilityCorporate Spirit: Pursuit of Excellence, Courage to Breakthrough, Openness & Inclusiveness, Pragmatism & EfficiencyBusiness Philosophy: Based on independent technology, connected by international cooperation, guaranteed by high-quality services, and motivated by continuous innovation.
We firmly believe that independent design is the fundamental for the enterprise to stand firm, and global collaboration is the driving force for development. Guided by shared values, our multinational teams unite as one and complement each other’s strengths, forming an open, collaborative and proactive working atmosphere, which injects inexhaustible motivation into the sustainable and healthy development of the company. Customers can realize one-stop procurement of equipment, tools and parts at Dongtai. With full-chain product supply and full-cycle service guarantee, we make cooperation more efficient and worry-free.

5. Future Vision: Grounded in the Present, Looking Forward to the Future

Cooperate with Tai’an Dongtai Machinery Manufacturing Co., Ltd. — Let military-grade quality and intelligent technology escort your maintenance business.

Cooperation with Dongtai Brings You:

   One-stop solutions to meet all needs of end customers and enhance unit price and competitiveness.Worry-free product quality with 100% testing and remote support for your smooth sales.Strong brand and technical premium backed by cooperation with Harbin Institute of Technology and patented technologies to elevate your professional image. Sustained profit momentum with diversified profits from the combination of equipment, parts and tools, and enhanced customer loyalty through intelligent services.
Standing at a new starting point of development, Tai’an Dongtai Machinery Manufacturing Co., Ltd. will continue to strengthen the core capability of independent equipment design, deepen technical synergy with Caterpillar (USA), BOSCH (Germany) and DENSO/DELPHI (Japan), expand the functional boundaries of the Sino-German-Turkish joint software system, focus on the development trend of intelligence, electrification and lightweighting in the automotive industry, and continuously expand product boundaries and service areas. We are committed to becoming a global one-stop procurement service provider of equipment, tools and parts, deeply integrating independent innovative technologies with the advantages of international cooperation, contributing more to the transformation and upgrading of the global automotive industry, and building a better future hand in hand with customers and partners!
Choose Us, Choose Success!