Luoyang Laojian Heavy Machinery Co., Ltd.

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A full range of road rollers—your one-stop choice for infrastructure projects.

We offer a comprehensive range of product models, including single-drum rollers, double-drum rollers, tire rollers, motor graders, and waste compactors.

Hydraulically driven self-propelled grader

Multi-purpose, high-efficiency, modern construction equipment for the development of high-grade highways, railways, airports, ports, embankments, industrial sites, and farmland leveling.

Trash compactor

Essential equipment for landfills, it performs functions such as leveling, shredding, and compacting waste, helping to conserve land, protect the environment, and extend the service life of the landfill.

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LUOJIAN HEAVY INDUSTRY MACHINERY LUOJIAN HEAVY INDUSTRY MACHINERY

LUOJIAN

National High-Tech Enterprise

Technology innovation enterprise

2000 Taiwan+

Annual complete-machine production capacity

80000 ㎡+

Enterprise land area

50 +

Products cover countries and regions worldwide.

About Us

Luoyang Laojian Heavy Machinery Co., Ltd.

　　LuoJian Heavy Industry is located in the Luoxin Industrial Cluster Zone of Luoyang City, Henan Province. It is a specialized manufacturer of road machinery, integrating R&D, production, and sales. The company’s current core product lines include: heavy-duty single-drum vibratory rollers, tire‑type static rollers, double-drum rollers, small and medium-sized rollers, motor graders, waste compactors, and a wide range of roller attachments. These products are extensively used in various construction projects, such as road base works, bridge construction, port development, airport infrastructure, water conservancy and hydropower projects, municipal maintenance, real estate and landscaping, and industrial park development.

　　The company’s new facility currently occupies 80,000 square meters of land, with a total floor area of 45,000 square meters. It includes production workshops, an office building, a technology center, and a test‑drive track. The company has established a complete manufacturing chain encompassing metal cutting, structural component fabrication, precision machining, component assembly, final‑machine assembly, and coating, with an annual capacity to produce 2,000 complete machines. The company boasts a team of highly skilled technical professionals, and its product technologies meet or exceed industry‑leading standards. It has been recognized as a National High‑Tech Enterprise and a Science and Technology Innovation‑Driven Enterprise in Luoyang City, among other accolades.

　　Liao Jian Heavy Industry will repay the trust and support of its domestic customers with high‑quality products, outstanding performance, and timely, comprehensive after-sales service. Upholding the business philosophy of “technological innovation, superior quality, reputation first, and customer paramount,” we are committed to creating value for our customers.

Product Series

Road Roller Product Lineup

Single-drum roller

This series comprises smooth‑tire rollers, ideally suited for compacting a wide range of cohesive and non‑cohesive materials in pavement construction, including sand, gravel, stabilized soils, and asphalt concrete. They are particularly well‑suited for the final finishing of high‑grade asphalt surface courses and represent high‑performance compaction equipment for the construction of expressways, airports, municipal projects, and industrial sites.

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Double steel-wheel roller

Hydraulic dual-wheel travel and hydraulic steering deliver reliable performance and excellent maneuverability. Both front and rear wheels are equipped with mud‑scraping and water‑spraying devices, featuring a large-capacity water tank and electronically controlled pressure‑regulated spraying. Multiple spray‑pressure settings ensure sustained operation over extended periods. The machine boasts a compact, space‑efficient design, making it ideal for compaction in confined spaces, while offering strong economic benefits with low capital investment and rapid returns.

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Tire roller

An engineering machine that compacts soil, gravel, stabilized soils, and asphalt mixtures by leveraging the self-weight of its pneumatic rubber tires and a flexible kneading‑pressing action. Its key advantages include flexible compaction, adjustable pressure, and thorough kneading‑densification, making it widely used in road construction, municipal projects, airport works, and more. The travel pump is a closed‑center hydraulic piston pump. It features all‑hydraulic dual‑wheel drive, hydraulic steering, an articulated chassis, hydraulically driven rear wheels, four tires, and a high‑quality air filter.

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Grader Series

This machine is an articulated self-propelled grader, ideally suited for large‑area grading in foundation engineering. It can also be used for trenching, slope grading, bulldozing, soil loosening, and snow removal, making it a versatile, high‑efficiency, modern construction equipment for the leveling of high‑grade highways, railways, airports, ports, embankments, industrial sites, and farmland.

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Trash compactor

This waste compactor is an essential piece of equipment for landfill sites, capable of leveling, crushing, and compacting waste. It helps conserve land, protect the environment, and extend the service life of the landfill. Its uniquely arranged, long‑life wear‑resistant teeth, combined with mud‑scraping tines and shear‑type clamps, ensure clean gear engagement and prevent foreign objects from becoming entangled. Additionally, it features an onboard audio‑video reversing monitoring system with infrared night‑vision capability, along with a reversing buzzer, greatly facilitating driving and operational tasks.

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Product Center

Product Recommendations for the Entire Line of Road Rollers

Hydraulically driven self-propelled grader

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Trash compactor

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4-ton all-hydraulic, single-drive, single-drum vibratory roller

This series comprises medium-sized vibratory rollers, ideally suited for compacting non-cohesive materials such as gravel, crushed stone, sand‑gravel mixtures, sandy soils, and rock fill in base courses, subbase courses, and embankment projects. They are the ideal compaction equipment for constructing highways, railways, airports, ports, dams, and industrial sites.

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LDD530 Fully Hydraulic Dual-Drive Double-Drum Vibratory Roller

This series comprises fully hydraulic, double-drum vibratory rollers manufactured using advanced foreign technologies and equipped with imported key components. They are ideally suited for compacting stabilized soils and asphalt concrete materials, making them the perfect compaction equipment for highway construction, municipal road rehabilitation, and industrial sites such as sports stadiums and garden lawns.

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4.5-ton hydraulically driven single-drum vibratory roller

The LZ3045 is a compact compaction machine, equipped with a four-cylinder water-cooled diesel engine, a power‑shift transmission, and a heavy‑duty wheel‑side reduction drive axle. It is ideally suited for compacting non‑cohesive earthworks or lawns...

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5-ton fork-type hydraulically driven single-drum vibratory roller

This roller features a fork‑type design, enabling edge‑close compaction. It is equipped with a single steel drum and vibrates, delivering high compaction density for non‑cohesive earthworks or sandy soils...

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6-ton all-hydraulic single-drum vibratory roller

The LZ306H is a medium-sized roller featuring a single steel drum with vibration, an articulated linkage, and a continuously variable transmission. It comes with a cab, and customers can optionally equip it with heating and air conditioning or a roller‑type compaction pad, as needed.

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6-ton hydraulically driven single-drum vibratory roller

This road roller is a compact compaction machine, equipped with a four-cylinder water-cooled diesel engine that meets China Stage IV emission standards. It can be optionally fitted with a cab or air conditioning to suit specific operational needs...

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8-ton all-hydraulic single-drum vibratory roller

The LZ308H is a medium-sized road roller featuring a single steel drum, an all-hydraulic system, and a high-pressure common-rail turbocharged diesel engine...

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8-ton hydraulically driven single-drum vibratory roller

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10-ton single-drum vibratory roller

This roller is a medium‑size compaction machine, equipped with a high‑pressure common‑rail, turbocharged engine that meets China Stage IV emission standards for non‑road machinery. Its rear axle features a heavy‑duty, wheel‑side reduction drive axle designed for construction equipment, and the machine is fully hydraulically operated. It is well suited for compacting non‑cohesive earthworks, gravel, sand, and turf. Users can optionally equip it with heating and cooling air conditioning and roller lugs to meet their specific needs.

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12-ton all-hydraulic single-drum vibratory roller

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Grader

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LRR530/LRR540 Fully Hydraulic Tire Roller

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16-ton all-steel-tire series

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LDS530/LDS540 Fully Hydraulic Single-Drive Double-Drum Vibratory Roller

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12-ton all-hydraulic, dual-drive, single-drum vibratory roller

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14-ton all-hydraulic single-drum vibratory roller

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14-ton all-hydraulic, dual-drive, single-drum vibratory roller

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16-ton single-drum vibratory roller

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Advantage

Building a robust, cutting-edge manufacturing sector; infrastructure connects every corner.

The R&D base is located in the heavy-industry city of Luoyang. We are a full‑range manufacturer of road compaction equipment, capable of meeting the diverse needs of roller‑compactor customers, with prompt and attentive after‑sales service.

A full range of product categories

The entire lineup of construction machinery boasts a comprehensive range of models, covering rollers, motor graders, waste compactors, and more. It is well-suited for a wide array of infrastructure projects—including road construction, landscaping, bridge building, airport development, and water conservancy—making it applicable across diverse settings.

Excellent production capacity

Equipped with comprehensive process tooling and specialized testing equipment, cutting-edge manufacturing processes, and rigorous technical standards, we maintain stringent quality control across the entire production cycle, ensuring high product quality, exceptional reliability, and stable operation—earning widespread market recognition.

Full-suite one-stop supply

The company supplies complete small and medium-sized road rollers and their accessories, integrating environmental protection, energy efficiency, and sustainability into every stage—from product design and intelligent manufacturing to end‑user application—achieving a harmonious balance between high efficiency and low energy consumption. As a result, its products offer superior value and competitive advantages over those of its peers.

Worry-free after-sales service

Our company has after-sales service centers in 30 provinces, autonomous regions, and municipalities across the country, supported by a highly efficient, technically proficient service team that stands ready to respond to customer needs at all times, ensuring peace of mind for our valued customers.

Blog & News

Insights into the Construction Industry – News Updates

Liao Jian Heavy Industry has been recognized as a national-level high-tech enterprise for 2025, further solidifying its position as a leading manufacturer of presses and earning authoritative acclaim.

Recently, Liao Jian Heavy Machinery Co., Ltd. has been recognized as a National High-Tech Enterprise for 2025, thanks to its robust technological innovation capabilities and industry-leading product performance. This designation underscores that the company’s R&D expertise and core competitiveness in the construction machinery sector have received authoritative national-level validation, further solidifying its position as an industry benchmark.

2025-11-20

Luoyang Weiman Heavy Industry’s road rollers continued to enjoy robust sales in April.

As a manufacturer of small and medium-sized road rollers, Luoyang Weiman Heavy Industry has earned widespread recognition and trust from customers thanks to its superior product quality, deep technical expertise, and unwavering commitment to a strategy of technological excellence—transitioning from conventional manufacturing to high-end production. The company stands out in the small and medium‑size road roller segment, with its products consistently meeting and exceeding customer expectations.

2021-04-19

Designated by the Ministry of Education: Sany will be responsible for certifying these two categories of vocational skills level certificates.

Recently, the Ministry of Education released the fourth batch of the “1+X Pilot Institutions and Vocational Skills Level Certificates” list. SANY Heavy Industry, in collaboration with Shugen Interconnect, was successfully selected and will undertake the level certification for two types of 1+X certificates: “Quality Inspection of Prefabricated Concrete Components” and “Industrial Digital Twin Modeling and Application.” Actively applying and shouldering social responsibility It is understood that the 1+X certificate system represents a key innovation under the “National Vocational Education Reform Implementation Plan.” Here, “1” refers to the academic degree certificate, while “X” denotes various vocational skills certificates, aiming to encourage students to obtain multiple professional qualifications alongside their academic credentials.

2021-01-15

What are the features of a Luoyang road roller?

According to a roller manufacturer in Luoyang, the impact roller is a new type of compactor that follows smooth‑drum and vibratory rollers. With its substantial impact energy and high travel speed, it delivers deep compaction and high compaction efficiency, making it widely used in highway and railway subgrade construction as well as airport ground‑treatment projects.

2023-01-31

Some key points about roller compactors in Luoyang

According to a roller manufacturer in Luoyang, rollers have relatively broad requirements for the moisture content of fill materials, with tolerances of 3%–5% in both the vertical and horizontal directions. Once the soil has been graded and leveled, the advantages of using rollers become even more pronounced, particularly in arid or semi-arid regions where soil moisture levels are very low—often approaching 0%–1%. Impact rollers require only a minimal amount of water to be sprayed on the surface to be compacted, significantly reducing the need for additional water and lowering construction costs.

2023-01-31

The features of road rollers—explained by a road roller manufacturer in Luoyang.

According to manufacturers of road rollers in Luoyang, these machines are primarily used in highway, railway, airport, hydraulic engineering, and construction projects to compact subgrades, pavements, embankments, cofferdams, and building foundations. Small road rollers are particularly suited for compacting confined spaces. Compaction involves applying external forces—through rolling and impact—to overcome the friction and cohesive forces between particles in soil, gravel, and asphalt mixtures, thereby rearranging the particles, bringing them closer together, and expelling water and air. This process increases the friction and cohesion among material particles, resulting in a denser, more stable compaction.

2023-01-31

Some common knowledge about road rollers—LuoYang’s road roller manufacturer is here to clear up your doubts.

According to a roller manufacturer in Luoyang, impact rollers offer numerous advantages that other equipment cannot match during construction: low-frequency, high-amplitude impact rollers enhance the compaction of soil and rock; they shorten compaction time, increase speed, and ensure uniform consolidation. Compared with techniques such as replacement and dynamic compaction, impact rollers deliver shorter project timelines, simpler operations, reliable quality, and cost savings.

2023-01-31

Sales Hotline:

+86-18613793863

Email:838673431@qq.com

Address: Luoxin Industrial Cluster Zone, Luoyang City, Henan Province

(WeChat Official Account)

Website Development:China Enterprise Dynamics Luoyang

Email box：838673431@qq.com

Telephone：+86-18613793863

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Luoyang Laojian Heavy Machinery Co., Ltd.

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