Ningbo Harsco Machinery Co., Ltd is a professional manufacturer of steel wheels and trailer parts in Ningbo, Zhejiang Province, China since 2016.

Ningbo Tower Machinery Co., Ltd is a group of manufacturing established in 2006, offering one-stop solution for quality mechanical products with total lower cost in China.

In 2001, Shandong Darong Machinery Co., Ltd was established in Liangshan, a commercial vehicle industry base. After 21 years of development, it has become a global manufacturer of axles/accessories for commercial vehicles.

Shandong north autotech co.Ltd is a modern enterprise specializing in the research and development and supply of core components for trailer chassis.We are always adhered to the core mission of "providing one-stop chassis solutions for the global trailer manufacturing and modification fields".With a rich product matrix, precise market positioning and reliable quality assurance, become a highly competitive supplier of trailer chassis components in the industry.In the core product field of axles, the company has established a product system covering the full load range from 3, 500K to 15, 000K, which can not only meet the flexible demands of light trailers but also adapt to the high-intensity operation scenarios of heavy trailers, comprehensively covering multiple fields such as agriculture, logistics, outdoor leisure, and engineering transportation.To achieve the service goal of "one-stop matching of trailer chassis", the company has further expanded a complete supporting product system beyond its core axle products, covering the key components required for the operation of trailer chassis.Among them, the landing jacks series includes manual jacks and electric jacks, featuring strong load-bearing capacity and smooth lifting, providing solid support for the parking and loading/unloading of trailers.Hardware products include high-strength u-bolts, connecting pins, fastening kits, etc., all of which are processed from high-hardness steel to meet the connection requirements of various chassis components and ensure structural stability.The design of leaf spring products enhances load-bearing capacity, making them suitable for heavy-duty freight trailers and engineering equipment trailers, and effectively disperses the pressure on the chassis.The trailer mover is specially designed for the movement of trailers in confined spaces.It is easy to operate and has a strong load-bearing capacity, solving the problems of trailer parking and dispatching.The guide wheel series includes heavy-duty swivel wheels and directional wheels, which are suitable for the bottom support and movement requirements of trailers, enhancing the flexibility of use.In addition, the company has also launched supporting products such as vehicle-mounted refrigerators and air conditioners for scenarios like outdoor camping and long-distance transportation, to meet the expansion of trailer functions and users' comfort needs.Since its establishment, the company has always adhered to the business philosophy of "high-quality one-stop service", and has established a strict quality control system for all products - from the raw material procurement link to the production and processing process, precision machining equipment and standardized processes are adopted.Before the finished products leave the factory, multi-dimensional tests such as load tests, weather resistance tests, and performance simulation tests are conducted to ensure that each product meets industry quality standards and customer usage requirements.In the future, shandong north autotech co.Ltd will constantly optimize the product system and service capabilities, and enhance the technological content of core products and the richness of supporting products.We are committed to providing global customers with more efficient, convenient and reliable one-stop solutions for trailer chassis, and promoting the high-quality development of the trailer manufacturing and modification industry.