About Us - Zhongxinda Steel Ball

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Shandong Zhongxinda Steel Ball Co., Ltd.

In the modern economic landscape featuring in-depth integration of industry and technology, the quality and innovative capacity of precision components are critical to improving industrial chain efficiency and guaranteeing the operational accuracy of equipment. Shandong Zhongxinda Steel Ball Co., Ltd. (formerly Wulan Kaitai Steel Ball Manufacturing Factory) is a modern steel ball manufacturer integrating professional R&D, large-scale production, refined management, green operation and customized services. The company’s core product portfolio covers stainless steel balls, bearing steel balls, plastic balls, ceramic balls and other related products. Equipped with a fully complete and self-controllable full-process industrial chain system, the enterprise realizes independent control over every link from raw material procurement, production and processing to final product inspection.

As a prominent player in China’s steel ball manufacturing industry, we boast robust technical strength, strict quality control systems and sustained technological innovation capabilities. Since its founding, the company has been dedicated to providing global customers with high-performance, high-quality and full-specification steel balls. Rooted in China and serving the world, Zhongxinda Steel Ball will continue to refine every single steel ball with craftsmanship, drive industrial upgrading through technological innovation, fulfill social responsibilities via green manufacturing, and win customer trust with premium services. We strive to become a leading player in the global steel ball industry and contribute solid momentum to high-quality economic development.

Core Business

We offer a comprehensive range of products, mainly including bearing steel balls, plastic balls, ceramic balls, and 3-series high-precision stainless steel balls. All products cover a full size range from 1.00mm to 12.7mm and a full precision grade coverage from G5 to G500, fully meeting high-precision and standardized material requirements for diverse working conditions and industries.

Technical Advantages

Comprehensive Product Portfolio

Offering bearing steel, plastic, ceramic, and high-precision stainless steel balls, covering 1.00mm–12.7mm and G5–G500 grades with full specification coverage.

Decades of Deep Industry Expertise

With nearly 40 years of dedicated R&D and production, we possess mature processes, strong core competitiveness, and an outstanding industry reputation.

Advanced Technology & Quality Assurance

Holding 12 patents, ISO9001 and SGS certifications, and a fully traceable in-house industrial chain, ensuring high precision, stability, and uniform quality.

Corporate Culture

Uphold professionalism, pursue superior quality
Fuel growth via innovation, take the lead in technology
Adopt green manufacturing, achieve sustainable development
Prioritize customers, gain trust with premium services

Company History

2007

Foundation & Launch
The company was officially founded and specialized in precision steel ball manufacturing. We focused fully on core businesses to consolidate technical and production foundations.
2019

Production Capacity Expansion
The first factory expansion project was finished. We upgraded production equipment and production line layout, greatly lifting output capacity and supply capability.
2022

Brand Restructuring & Upgrade
The enterprise completed official name change from Wulan Kaitai Steel Ball Manufacturing Factory to Shandong Zhongxinda Steel Ball Co., Ltd., stepping into a new phase of standardized and brand-driven development.
2023

Stable Business Growth
Business performance kept improving; annual turnover surpassed 15 million RMB alongside steady growth in market share.
2024

Sustained Growth Momentum
Revenue maintained upward growth, with annual turnover hitting 19 million RMB and expanding brand influence and customer recognition.
2025

Leap-forward Development
Robust growth was achieved as annual turnover exceeded 30 million RMB, marking a leap in the company’s overall comprehensive strength.
Current Stage

Embark on a New Development Journey
The second factory expansion project is in steady progress. We keep expanding production capacity and upgrading manufacturing capacity to support long-term high-quality development.