High Quality Intermediate Support Shaft
1.Material:35#(ASTM:1035 EN:C35E4 DIN:CK35),20MnMo
2.Mold opening cycle:About 45 days
3.Customization: We design and manufacture tailor-made products to your exact technical requirements.
4.Weight:Material usage and end-product weight will be derived from the Client’s provided drawings.
5.Craft:Forging
6.Size:Execute custom orders with complete compliance to the drawings provided.
Product Introduction:
The excavator center shaft seat (also called center support or rear support) is the primary load-bearing component that links the boom and the mainframe. It plays an integral role in load transmission, structural stability, and enabling smooth, flexible movement during operation. Looking ahead, as self-sensing lubrication and predictive maintenance technologies become more prevalent, the center shaft seat will evolve toward an integrated “self-adaptive, self-repairing, long-life” solution. This advancement will serve as a key competitive advantage for high-end excavator designs.
Product Advantages:
With rigorous in-process quality control, we ensure every product meets zero-defect standards and delivers consistent reliability. Our streamlined one-stop manufacturing workflow optimizes efficiency, shortens lead times, and reduces overall costs for your projects. From standard specifications to fully customized solutions, our extensive product portfolio is designed to address and satisfy all your application requirements.
Production Process:
Raw Material Inspection → Cutting → Forging → Heat Treatment/Tempering → Shot Blasting → Rough Machining → Ultrasonic Testing (UT) → Final Inspection → Cleaning Packaging
Packaging and Shipping:
We follow a rigorous, multi‑step shipping protocol to ensure every product arrives in pristine condition. Prior to dispatch, our team carefully cleans each unit, applies durable rust‑proofing treatment, and affixes clear, compliant labels for full traceability. Every item then undergoes a meticulous final inspection—verifying quality, finish, and protection—to confirm it meets our zero‑defect standards. After approval, products are securely packed using industry‑grade materials, sealed with reinforced tape, and organized in our climate‑controlled warehouse. This disciplined process ensures stable inventory management and seamless, on‑time dispatch readiness.
Company Strength:
Over three decades of sustained growth, our company has strategically expanded its footprint across both domestic and global markets, building a robust international presence. Our products are widely applied across key sectors, including construction machinery, wind power generation, new energy vehicles, rail transit, petrochemicals, and mining equipment. We have forged deep, long-term partnerships with globally renowned enterprises spanning Europe, North America, and Asia—such as those in Germany, Italy, Belgium, Canada, and Japan—with overseas revenue accounting for over 50% of our total sales. Domestically, we have established strong strategic alliances with leading high-end equipment manufacturers, including Zoomlion, XCMG, Sany, Lingsheng, CRRC, Nanjing Gear, and Zhuzhou Gear. Notably, our core products—planetary reducer forgings and medium-to-large lifting hook assemblies, underscoring our industry-leading position and technological prowess.





