We have built a comprehensive service system
About Our Company
Shandong Liangshan Shengxiang Machinery Parts Co., Ltd., located in Liangshan Economic Development Zone, was founded in 2004, covering an area of approximately 30,000 square meters. It currently employs over 90 people, including 5 senior engineering technicians and 8 management personnel.
200+
Technical
staff
Provide Customized Solutions
Our Services
Our experienced service team adheres to the principles of efficiency and pragmatism.
Our advantages
Why Choose Us
We have built a comprehensive service system to provide customers with a worry-free and convenient cooperation experience.
Professional Builders
It efficiently supports mass production and customized processing, ensuring product quality meets actual operating conditions.
Strictly Adhere To Industry Standards
Our products strictly adhere to industry standards, combining reliability and durability to provide core guarantees for the stable operation of commercial vehicles.
Solutions
We offer professional consultation, accurately matching vehicle models and operating conditions to customize suitable solutions.
Technical Support
Providing installation guidance and technical support to ensure smooth product adaptation;
Professional Team
This company is a leading enterprise nationwide in various types of trailers, port equipment, and other machinery.
One Stop Service
Providing comprehensive support from initial needs assessment to subsequent use, effectively protecting customer rights and ensuring stable product operation.
Popular Products
Our Products
We can provide customized solutions based on customer vehicle models and load-bearing requirements.
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![Alloy Wheels]( "Alloy Wheels")
Alloy WheelsAlloy wheels made from 6061 aluminum alloy, manufactured using forging or flow-forming processes. Features include reduced weight for increased payload
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![Single-leaf Spring]( "Single-leaf Spring")
Single-leaf SpringThis single-leaf lightweight spring is manufactured from high-quality, heat-treated spring steel; it offers excellent fatigue resistance and durability, is
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![Independent Suspension]( "Independent Suspension")
Independent SuspensionThe independent suspension serves as a load-bearing component of the semi-trailer chassis; the left and right wheel suspensions operate independently,
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![Towing Saddle]( "Towing Saddle")
Towing SaddleThe fifth wheel—commonly known as the turntable—is mounted at the rear of the tractor unit. It engages and locks with the kingpin on the underside of the
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![Trailer Towing Pin]( "Trailer Towing Pin")
Trailer Towing PinThe kingpin—commonly known as the master pin—is a critical safety component that connects the semi-trailer to the tractor's fifth wheel and transmits towing
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![SX28T Heavy-Duty Linked Trailer Landing Gear]( "SX28T Heavy-Duty Linked Trailer Landing Gear")
SX28T Heavy-Duty Linked Trailer Landing GearOur brand‑new SX28T heavy‑duty trailer support legs are made of premium Q235 carbon steel. It is fitted with a 19‑inch dual‑speed crank handle for easy
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![German-style Drum Brake Axle]( "German-style Drum Brake Axle")
German-style Drum Brake AxleGerman-style BPW trailer axles with drum brakes, available in a full range of specifications from 12 to 16 tons. Features include high-strength alloy steel
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![Single-leaf Spring (main Leaf)]( "Single-leaf Spring (main Leaf)")
Single-leaf Spring (main Leaf)Individual leaves for trailer main spring assemblies—the core load-bearing components. Made of high-toughness spring steel, these are designed for replacing
GET IN TOUCH
Contact Details
We have established a rapid response mechanism to provide warranty repair and parts replenishment services, promptly resolving any usage problems.
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News Center
Our company specializes in the R&D and production of core components
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![Fifth Wheel]()
Sep08, 2026Fifth WheelThe fifth wheel is a critical component connecting the tractor unit to the semi-trailer. Available in "50#" (standard-load) and "90#" (heavy-load) specificat...
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![Fifth Wheel]()
Sep07, 2026Fifth WheelCommonly known as a "fifth wheel," the tractor saddle is mounted at the rear of the tractor unit. It engages and locks with the trailer's kingpin, serving fu...
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![Trailer Towing Pin]()
Sep05, 2026Trailer Towing PinCommonly known as the "kingpin," the fifth-wheel pin is a critical safety component that connects the semi-trailer to the tractor unit's fifth-wheel coupling...
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![Custom Heavy-Duty Trailer Parts Manufacturer | Custom Size Trailer Landing Gear & Support Legs]()
Sep05, 2026Custom Heavy-Duty Trailer Parts Manufacturer | Custom Size Trailer Landing Gear & Support LegsWe are a professional China trailer parts factory. We supply standard and custom trailer landing gears, support legs and other heavy-duty trailer accessories...
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