Home - Precision Torque Converters & Transmission Assemblies for Loaders

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Lianghui offers precision torque converters, transmission assemblies, and hydraulic cylinders for ZL15–ZL50 loaders

Xugong Boom Cylinder

Xugong 500k Standard Boom Tilt Cylinder

Xugong 500k Steering Cylinder

Xugong 500Hv Steering Cylinder

Xugong 50G Steering Cylinder

Xiagong Boom Cylinder

Xiaong Standard Boom Bucket Tilt Cylinder

Xiagong Standard Boom

Service

Lianghui not only delivers high-quality construction machinery parts but also provides one-stop professional services – from product selection and customization to after-sales support. Backed by 20+ years of manufacturing experience, ISO9001 quality management, and a dedicated technical team, we ensure every customer receives fast response, reliable delivery, and ongoing assistance.

OEM Customization

Custom manufacturing of torque converters, transmission assemblies, and hydraulic cylinders based on your drawings or samples.

Technical Support & Selection

Professional engineering team offers product selection advice, installation guidance, and troubleshooting.

Fast Delivery

In-house CNC machining and sufficient stock ensure quick shipment for standard items and 30% shorter lead time for custom orders.

After-Sales Quality Tracking

One-year warranty on all products, with 7×12 responsive service to resolve issues promptly and drive continuous improvement.

Who are we?

Lianghui Machinery: Construction Machinery Parts Expert, RF Brand, 99% Pass Rate – The Trusted Choice of OEMs.

Quanzhou Lianghui Hydraulic Machinery Co., Ltd. (sharing the same legal representative as Quanzhou Fengze Renfeng Loader Parts Factory, the predecessor) is a modern enterprise integrating R&D, manufacturing, and marketing of construction machinery parts. The new factory is located in the West Industrial Zone of Shanyao Town, Quangang District, Quanzhou City – a renowned hometown of overseas Chinese in southern Fujian. It covers an area of over 40,000 square meters, possesses fixed assets of more than RMB 90 million, and is only 20 kilometers from Jinjiang Airport, offering convenient transportation.

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Why choose us

20+ years, ISO certified, 99% pass rate – the trusted choice of OEMs.

20+ Years of Experience

Dedicated to R&D and manufacturing of construction machinery parts since the original Renfeng plant.

Trusted OEM Supplier

Designated supplier to top brands like Xiagong and Longgong, named an "Excellent Supplier" by Xiagong.

99% Product Pass Rate

ISO9001 certified, with every product fully inspected before shipment – RF brand achieves 99% qualification.

Advanced Manufacturing Equipment

Equipped with CNC machining centers, CNC lathes, and precision metalworking facilities.

Fast Customization Service

Accept OEM/ODM orders – custom hydraulic cylinders, torque converters, and parts based on your drawings or samples.

Reliable After-Sales Support

One-year warranty, timely technical assistance, and responsive service for peace of mind.

Core Advantages

20+ Years of Experience

Proven expertise in torque converters, transmissions, and hydraulic cylinders.

Trusted OEM Supplier

Designated supplier to Xiagong, Longgong, and other top Chinese OEMs.

99% Pass Rate + ISO Certified

ISO9001 certified, with 99% qualification rate for RF brand products.

Advanced Equipment & Customization

CNC machining centers and fast OEM customization for non-standard parts.

Lianghui Launches Next-Gen High-Reliability Steering Cylinder for ZL Series Loaders in Harsh Conditions

Steering Cylinder Passes Million-Cycle Durability Test – Empowering Precise Control of Construction Machinery

From OEM Supplier to XGMA to Global Markets: How Lianghui Steering Cylinders Win Customer Trust Worldwide

Solving Heavy-Duty Steering Resistance: Customized Steering Cylinder Solutions Gain OEM Recognition

Lianghui Completes Steering Cylinder Production Line Upgrade, Cutting Lead Time by 30%

More Than Just Seal Upgrades: Imported Wear-Resistant Materials Boost Steering Cylinder Service Life by 50%

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