Focused on non-metallic components of construction machinery for 20 years.
Focused on non-metallic components of construction machinery for 20 years.

Provide a one-stop wear-resistant component solution.

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Professional production of polymer materials products.
Professional production of polymer materials products.
了解更多 >
Professional production of polymer materials products.
Professional production of polymer materials products.
了解更多 >
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Products

Foam tire

Foam tire

Foam tires have strong bearing capacity, wear resistance, and long service life. They can allow your work vehicle to drive in an environment full of nails and sharp gravel, without worrying about the tires exploding and deflating and stopping work.

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Rubber solid tire

Rubber solid tire

Bonded solid tire series, the use of high quality natural rubber tread formula, reliable production process to ensure that the rubber and the rim firmly bonded, to provide customers with a perfect one-stop solution for pressure-free tires and rims.

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Modified polyurethane products

Modified polyurethane products

Modified polyurethane is to change the molecular structure of polyurethane chain to enhance its wear resistance, heat resistance, hydrolysis resistance, that is, in the ordinary polyurethane to add a certain proportion of special wear resistant agent, antioxidant, waterproof agent to the polyurethane molecular chain structure modified.

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Wear-resistant rubber products

Wear-resistant rubber products

The company has successfully developed a variety of high wear-resistant rubber formulations using years of accumulated rubber research and development technology.

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Cast nylon products

Cast nylon products

Our company has an automated MC nylon casting production line. (A complete set of molding process from caprolactam material, formula casting molding, post-processing, etc.)

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Hunan Zhongjing Polymer New Materials Co., Ltd.

About Us

Changsha Zhongjing Machinery Co., Ltd. was established in June 2005 and is located in Station Road, Ningxiang Economic Development Zone. It has a group of middle and senior technical personnel with rich practical experience and has been focusing on the non-metallic parts industry of construction machinery for 20 years. In December 2021, the company actively responded to the government's call to "build a global R & D center city in Changsha", increased R & D investment, built a new plant of 30000 square meters, and established Hunan Zhongjing Polymer New Materials Co., Ltd. Through the construction of the new platform, the company has achieved full coverage of high-end equipment fields such as construction machinery, agricultural machinery, environmental protection machinery, and special equipment. It is a specialized enterprise with polymer materials as the core and integrating research and development, production and sales.
The company has more than 200 sets of various manufacturing and testing equipment, and has formed advanced process production lines such as pouring, molding, injection molding, injection molding, and extrusion, with an annual production capacity of 0.3 billion yuan. The main core products are: rubber solid tires, foam tires, modified polyurethane solid wheels, composite polyurethane pistons, composite polyurethane guide rings, composite polyurethane sealing rings, rubber integral pistons, rubber seals, ultra-high molecular weight polyethylene sliders, Hose sheaths, MC nylon products, injection products, etc., and can be customized for customers. At present, the company does product matching for many leading enterprises at home and abroad, with 6 trademarks, 6 own brands, 2 national invention patents, dozens of utility model patents, and passed the ISO9001-2015 quality management system certification.

Hunan Zhongjing Polymer New Materials Co., Ltd.
Hunan Zhongjing Polymer New Materials Co., Ltd.
2005

The company was founded

Hunan Zhongjing Polymer New Materials Co., Ltd.
200

Number of Employees (person)

Hunan Zhongjing Polymer New Materials Co., Ltd.
200

Manufacturing and testing equipment (remaining units)

Hunan Zhongjing Polymer New Materials Co., Ltd.
3

Annual capacity (billion yuan)

Hunan Zhongjing Polymer New Materials Co., Ltd.
5000

Registered capital (ten thousand yuan)

Picture Name
Construction Machinery

Construction Machinery

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Agricultural machinery

Agricultural machinery

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Environmental protection machinery and equipment

Environmental protection machinery and equipment

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Special equipment machinery

Special equipment machinery

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News

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Secretary visits workshop, supporting Zhongjing Tree's safe production benchmark

Apr 29,2025

Secretary visits workshop, supporting Zhongjing Tree's safe production benchmark

With safety in production being paramount, on April 29, Zhang Zuolin, Secretary of the Ningxiang Municipal Party Committee, adopted a "four no two straight" approach to conduct in-depth inspections of workshops and warehouses at Zhongjing Group, providing comprehensive guidance on the company's safety production work and helping Zhongjing Group build a benchmark enterprise for safety production.

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Deepening military-civilian integration, hand in hand to create a new blueprint!

Apr 28,2025

Deepening military-civilian integration, hand in hand to create a new blueprint!

Against the backdrop of the comprehensive implementation of the military-civilian integration development strategy during the "14th Five-Year Plan" period, on April 28, Wang Shuangyun, General Manager of Hunan Ordnance Industry Group Co., Ltd., visited Zhongjing Group to conduct in-depth communication on cooperation matters between the two parties. This meeting not only represents a thorough review of past cooperation but also ushers in a new chapter of future collaborative development, injecting strong impetus into accelerating military-civilian integration and achieving win-win cooperation.

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May 29,2024

People's Daily sees Hunan's construction machinery industry speeding up intelligent upgrading and improving the stability of aerial work platforms.

General Secretary Xi Jinping emphasized that "the manufacturing industry is the foundation of our country and the foundation of a strong country" and "promote the high-end, intelligent, and green development of the manufacturing industry". Traditional manufacturing industry is the main body of China's manufacturing industry and the base of modern industrial system. The added value of traditional manufacturing industries such as steel, non-ferrous metals, machinery, and textiles accounts for nearly 80% of the total manufacturing industry, which is an important foundation for supporting the development of the national economy and meeting the needs of people's lives.

Aug 18,2023

How does an enterprise develop with high quality? "Chain Master" "Chain Length" Supply Chain Becomes "Win-win Chain"

Affected by multiple factors such as reduced market demand, the national construction machinery industry as a whole was in a downward adjustment period last year, with annual revenue of 850 billion billion yuan, down more than 50 billion yuan from the same period last year. The reporter found that in this large industry, the subdivision of aerial work platforms has maintained rapid growth for many years. Since 2019, this segment has maintained an annual growth rate of more than 30%.