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| Material: | Steel |
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| CAPACITY() | BRake | DISTANCE OF BRAKE CHAMBER LI | AXLE TUBE (mm) |
STUD | P.C.D D1 | SEAM ALLOWANCE D2 | TRACK(mm) | BEARING |
| 13 | 420x180 | 390 | 127 | 10-M22x1.5 | 335 | 280.8 | 1840 | HM518445/10 HM518445/10 |
| 13 | 420x180 | 390 | Ø127 | 10-M22x1.5 | 335 | 280.8 | 1840 | HM518445/10 HM518445/10 |
| 13 | 420x180 | 390 | 150 | 10-M22x1.5 | 335 | 220.8 | 1840 | HM518445/10 HM518445/10 |
| 14 | 420x220 | 340 | 150 | 10-M22x1.5 | 335 | 280.8 | 1840 | HM518445/10 HM518445/10 |
| 16 | 420x220 | 350 | 150 | 10-M22x1.5 | 335 | 280.8 | 1850 | HM518445/10.220149 |
| 20 | 420x220 | 345 | 150 | 10-M24x1.5 | 335 | 280.8 | 1850 | HM518445/10.32222 |
| 25 | 420x220 | 345 | 150 | 10-M24x1.5 | 335 | 280.8 | 1850 | 3222232222 |
Shandong Zhengyang Group Industrial Co., Ltd. SHANDONG ZHENGYANG GROUP INDUSTRIAL CO., LTD.
Shandong Zhengyang Group Industrial Co., Ltd. was founded in 2004. After years of good faith management,
it has four holding subsidiaries: Shandong Zhengyang Machinery Co., Ltd., Shandong Zhengyang Technology
Co., Ltd., Shandong Zhengyang Import and Export Co., Ltd., and Liangshan Zhengyang Hotel Management Co.,
Ltd. Based on the automotive industry, the group company provides axles, suspensions, brake drums, wheel hubs,
and other supporting products and services and can provide one-stop products and technical services for chassis
walking systems.
With its excellent product quality and service quality, the group company has won a good reputation. It has won
the honorary titles of national high-tech enterprise, famous trademark of Shandong Province, contract-abiding and
trustworthy enterprise of Shandong Province, and specialized and special new small and medium-sized enterprise
of Shandong Province. It has research and development platforms such as the Jining Engineering Technology
Research Center, enterprise technology center, engineering laboratory, industrial design center, etc. We have
established industry-university research cooperation with Shandong University of Science and Technology, Wuhan
University of Science and Technology, Shandong Jiaotong University, and five other universities. We mainly research
and develop in the direction of product lightweight and reliability and launch the "ZY lightweight axle active and passive
reliable system" and the "vehicle active control air spring suspension system" to provide customers with more reliable
lightweight products and services. In addition, it joined 27 automobile and spare parts enterprises to set up the
Shandong Automobile Industry Intellectual Property Protection Alliance, which has played a great role in promoting
technological innovation and intellectual property protection.

