Dongfang SRI - Expert in Power Equipment Manufacturing and Technical Services

Our Products

Technical Datasheet-Oil Seal Support Ring 20MG20.11.09.83J

The Oil Seal Support Ring 20MG20.11.09.83J is a specialized sealing and positioning component designed for the bearing housing and roller shaft systems of ZGM Medium-Speed Roller Coal Mills.

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20MG40.11.09.01J Medium-Speed Roller Coal Mill Roller Breather

The Roller Breather 20MG40.11.09.01J is a core auxiliary component of the roller assembly in ZGM medium-speed roller coal mills.

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Product Overview-ZGM Pulverizer Coupling Pin 20MG40.11.02.J

The is a specialized core spare part for the main reducer coupling of ZGM-type medium-speed roller coal pulverizers. Its primary functions include torque transmission

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ZGM113N Mill Hinge Shaft 20MG40.11.11.02 High-Toughness Transmission Pivot

The Hinge Shaft 20MG40.11.11.02 is a core transmission spare part for the ZGM113N medium-speed coal mill.

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Maintenance Guide and Technical Specifications for 20MG42.11.09 ZGM Coal Mill Grinding Roller Sleeve

The roller sleeve 20MG42.11.09 for Bowl-Type Medium-Speed Coal Mills is a core grinding component of the ZGM series.

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20MG60.11.12.06.02 ZGM Medium-speed Pulverizer Upper Seal Sleeve

In the sealing and protection system of the ZGM Medium-speed Pulverizer, the Upper Seal Sleeve (Part No. 20MG60.11.12.06.02) is a critical component located in the upper grinding zone.

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Specialized Stud Bolt 2Cr1Mo1VNbTiB-Alloy Fastener for Steam Turbine Flanges

As core power equipment in power plants, steam turbines operate under extreme conditions characterized by high temperatures, high pressures, high rotational speeds, and thermal fatigue.

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Superheater Sliding Block ZG1Cr20Ni14Si2- Power Plant Boiler Anti-Seize Support and Positioning Component

The boiler superheater system operates under severe conditions characterized by high temperature, high pressure, steam erosion, and thermal expansion displacement.

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넳 넲

Dongfang SRI Engineering Co., Ltd specializes in the power generation industry, focusing on the manufacturing of power station equipment and technical services. We provide core equipment components, auxiliary systems, and complete solutions for the power, metallurgy, chemical, and other industries.

Our business scope includes main and auxiliary equipment such as coal mills and fans, precision components for steam turbines, design and manufacturing of hydraulic and lubrication systems, as well as the processing of valves, pumps, and environmental protection equipment. We comprehensively meet the needs for operation and maintenance, overhaul, and modification of thermal and hydroelectric power projects.

Leveraging strict quality control, full-chain supply capability, and customized services, our core strengths are rapid response and end-to-end technical support. For over a decade, we have served numerous power and industrial enterprises, helping clients enhance equipment reliability and energy efficiency.

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Strong R & D Capability

Production and Quality Control

Precision Machining

Sold to 29 countries

About Us

Production Line

Why Choose Us?

Professional Manufacturer

Company has its own mold manufacturing capabilities, still retains the concept of technology-oriented, with an independent technology company.

High Quality

All our molds are designed with 3D entities, and CAE analysis and simulation are carried out on all parts during the whole process, and springback compensation is carried out according to the calculation results and practical experience.

Excellent Team

We are a professional team. We always treat each other honestly and keep our word, so that you are satisfied with every cooperation with us.

Fast Delivery

To go from customization to receiving the products you need

Sincere Communication

We can provide one-to-one customized service to meet your needs.

24*7 Service

We provide 24*7 hours consulting service. Glad to serve you. You can contact us at any time.

Induced Draft Fan Servo Valve Connecting Rod HU25238-22: Failure Analysis and Mitigation

The induced draft fan's dynamic adjustment connecting rod is the critical transmission component that bridges the hydraulic actuator.

2025-09-18

Stop Booster Pump Leaks: Master the HZB253-640-01-05 Oil Flinger Install

Stop lube oil leaks. Learn how to control the HZB253-640-01-05 oil flinger gap, why install direction matters, and how to match its life to your bearing overhaul.

넶1 2026-02-25
Why Re-using the HZB253-640-01-03 Locking Washer Risks Total Booster Pump Failure

Don't let bolts come loose. Learn how to check the HZB253-640-01-03 locking washer for fatigue, why you shouldn't re-use it, and how to install it right.

넶6 2026-02-04
Stop Pump Leaks: A Maintenance Guide for the HZB253-640-01-13 Shaft Sleeve

Prevent booster pump shutdowns. Learn how to spot HZB253-640-01-13 shaft sleeve erosion, pitting, and vibration issues before they ruin your mechanical seals.

넶4 2026-02-02
Stability Principles of the HD452D11 Sliding Bearing Under Extreme Dynamic Loads

Master the HD452D11 sliding bearing. Learn how its oil film and anti-vibration design protect feed pump shafts from wear under high-speed power plant loads.

넶36 2026-01-31