Guizhou Zhonghang Tuoli Casting Co., Ltd.

Guizhou Zhonghang Tuoli Casting Co., Ltd.

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Our company’s products serve industries including aviation, aerospace, shipbuilding, automotive components, and construction machinery. Steel castings, with their advantages of flexible design, controllable performance, high overall strength, broad applicability, and economic reliability, are widely used in heavy machinery, energy, rail transit, and defense industries, making them the preferred solution for complex and critical structural components.

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The Digital Transformation Power Reshaping the Foundry Industry

2025.12.09

The Digital Transformation Power Reshaping the Foundry Industry

In the wave of transformation sweeping through the traditional casting industry toward digitalization, intelligentization, and green practices, 3D-printed sand-mold technology—with its unique advantage of “moldless forming”—has broken through many longstanding bottlenecks in conventional sand-mold casting, such as reliance on molds, lengthy production cycles, and difficulties in shaping complex structures. As a prime example of the deep integration between additive manufacturing and traditional casting processes, this technology not only dramatically elevates the design freedom of castings but also propels the casting industry from an “experience-driven” model to a “data-driven” one, making it an indispensable core supporting technology in the high-end equipment manufacturing sector. From smart factories featuring shared equipment to Yaqi Foundry’s large-scale overseas orders, 3D-printed sand molds are wielding powerful industrial penetration, reshaping the competitive landscape of the global casting industry.

Technical innovation directions for sand casting

2025.12.09

Technical innovation directions for sand casting

Technological innovation in sand casting does not mean abandoning its traditional strengths; rather, it involves deeply integrating digital, intelligent, and green technologies with conventional processes to address the shortcomings of precision, efficiency, and environmental sustainability. From 3D-printed molds to smart storage and transportation systems, from waste sand recycling to eco-friendly binders, a series of innovative initiatives are helping sand casting shake off its label as “low-end and crude” and move toward the realm of high-end, precision manufacturing. In the future, as technology continues to advance, sand casting will further leverage its process versatility and cost advantages, maintaining an irreplaceable position in modern manufacturing.

Core Advantages and Process Limitations of Sand Casting

2025.12.09

Core Advantages and Process Limitations of Sand Casting

1. It has a wide range of applications. Sand casting is a casting process that can simultaneously meet diverse production needs, including large-scale, small-scale, simple, complex, single-piece, and mass-production requirements. Whether it’s the large machine tool bed frames or ship propellers produced in single pieces, agricultural machinery parts or automotive components manufactured in batches, or even complex engine cylinder blocks and valve bodies, sand casting can handle them all, demonstrating exceptional process versatility.

Sand Casting: A Foundational Casting Process Rooted in Tradition and Innovation

2025.12.09

Sand Casting: A Foundational Casting Process Rooted in Tradition and Innovation

As one of the earliest casting techniques mastered by humankind, sand casting has maintained a vital position in modern manufacturing over the millennia thanks to its core advantages: low cost, flexible processes, and wide applicability. From the bodies of large construction machinery and ship propellers to everyday items like iron pots and agricultural machinery parts, sand casting—with its unique versatility—can meet the production demands of castings of varying sizes, materials, and batch sizes. Even as advanced casting technologies rapidly evolve today, sand casting has not been replaced; rather, through continuous technological innovation, it has steadily enhanced its performance, serving as an important bridge that connects traditional manufacturing with modern industry.

Core process for efficient industrial manufacturing with high-forming capability

2025.12.09

Core process for efficient industrial manufacturing with high-forming capability

In modern industrial production systems, casting technology is a key technological pathway for achieving mass production of components. Among various casting methods, high-pressure die casting stands out as the core choice for manufacturing large volumes of metal parts, thanks to its high production efficiency, superior surface quality of castings, and exceptional dimensional accuracy. Whether it’s the lightweighting trend in the automotive industry, the precision-driven advancement in the home appliance sector, or the miniaturization demands in the electronics field, high-pressure die casting—with its unique technological advantages—provides robust support and profoundly influences the development landscape across numerous industries.

Low-pressure casting: A model of efficient, modern casting technology.

2025.12.09

Low-pressure casting: A model of efficient, modern casting technology.

In the wave of modern manufacturing, casting technology—being one of the core techniques for component shaping—is continuously evolving toward higher precision, superior quality, and lower energy consumption. Thanks to its unique forming principle and outstanding process characteristics, low-pressure casting has established an irreplaceable position in several high-end industries, including aerospace, automotive manufacturing, and electronic communications. Not only does it effectively address common defects in traditional casting processes, such as porosity and shrinkage cavities, but it also achieves a dual enhancement of casting quality and production efficiency, making it an important benchmark in the field of modern casting.

Embracing the new technology of 3D-printed sand molds, Zhonghang Tuoli is leading the way in process innovation for the aluminum casting industry.

2025.12.09

Embracing the new technology of 3D-printed sand molds, Zhonghang Tuoli is leading the way in process innovation for the aluminum casting industry.

Under the wave of intelligent manufacturing, 3D-printed sand mold technology—thanks to its core advantages in digitalization and intelligence—is driving a revolutionary transformation in the aluminum casting industry. Guizhou Zhonghang Tuoli Casting Co., Ltd. is closely following industry trends and has taken the lead in adopting 3D-printed sand mold technology, seamlessly integrating traditional aluminum casting techniques with modern digital technologies to spearhead the upgrade of casting processes in the regional aluminum industry.

Staying true to the original intention of sand casting, Zhonghang Tuoli leverages traditional craftsmanship to empower customized production.

2025.12.09

Staying true to the original intention of sand casting, Zhonghang Tuoli leverages traditional craftsmanship to empower customized production.

As a traditional core process in the aluminum casting industry, sand-mold casting has established a significant position in the production of customized, small-batch aluminum castings thanks to its moderate costs, strong adaptability, and short production cycles. Over the past decade-plus since its establishment, Guizhou Zhonghang Tuoli Casting Co., Ltd. has consistently remained committed to the research and optimization of sand-mold casting technology, leveraging this mature, time-tested process to power customized production and meet the diverse needs of its customers.

Overcoming the challenges of gravity-inverted casting, Zhonghang Tuoli unlocks a new pathway for producing complex aluminum castings.

2025.12.09

Overcoming the challenges of gravity-inverted casting, Zhonghang Tuoli unlocks a new pathway for producing complex aluminum castings.

For cast aluminum parts with special structures and high forming difficulty, the gravity inversion casting process—thanks to its unique forming advantages—has become a key technology for overcoming production challenges. Guizhou Zhonghang Tuoli Casting Co., Ltd. has been deeply engaged in the field of cast aluminum for over a decade and has successfully mastered the core technology of gravity inversion casting, opening up new avenues for the production of complex cast aluminum parts and demonstrating the company’s profound technological expertise.

Deeply rooted in high-pressure die casting technology, Zhonghang Tuoli efficiently meets the demands of mass production of aluminum castings.

2025.12.09

Deeply rooted in high-pressure die casting technology, Zhonghang Tuoli efficiently meets the demands of mass production of aluminum castings.

In the field of mass production of aluminum castings, high-pressure die casting technology has established a prominent position thanks to its efficiency and precision. Guizhou Zhonghang Tuoli Casting Co., Ltd., a high-tech private enterprise specializing in the production and precision finishing of aluminum casting blanks, has mastered the core technology of high-pressure die casting and is capable of efficiently meeting customers’ demands for mass production, thereby demonstrating the company’s strong process adaptability and robust manufacturing capabilities.

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Guizhou Zhonghang Tuoli Casting Co., Ltd.

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Email: AVICTuoLi@126.com

Phone: 13880406626 (Mr. Liang)

Address: North of the two-span factory building B2, within the park located at No. 1 Wuhan Road, Gaoqiao Subdistrict, Huichuan District, Zunyi City, Guizhou Province.

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+86-13880406626

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