Advantage

Why Choose JAD

Our Core Advantages
Precision Engineering for Global Vehicle Safety

JAD Combines In-House Manufacturing, Strategic Location, and Rapid Response to Deliver the Best Value in Control Arms.

With over a decade of aftermarket expertise and as a professional control arm OEM factory, JAD stands out with vertically integrated manufacturing, strategic logistics, and rapid response times. Over 90% of components are produced in-house, ensuring consistent quality at the most competitive pricing.

Our Strengths

Numbers That Define Our Advantage

%
In-House Production
Development Days
Delivery Days

90%+ Components Self-Produced | Same Quality, Best Price | Near China’s Largest Aluminum Base & Qingdao/Rizhao Ports | 10+ Years Aftermarket OEM Expertise

Strategic Location & Logistics

Located near China’s largest aluminum material base with direct access to Qingdao Port and Rizhao Port. This strategic position ensures stable raw material supply and efficient global shipping, reducing lead times and logistics costs.

Rapid Development & Delivery

From receiving your sample to delivering a finished prototype in just 60 working days. Order confirmation to shipment in 45 working days. For stocked items, we offer 24-hour urgent delivery. Our in-house R&D and tooling capabilities eliminate third-party delays.

10+ Years OEM Expertise

Over a decade of aftermarket experience as a professional control arm OEM factory. IATF16949 certified since 2016, with 3,000+ SKUs covering European, American, Japanese, and Korean vehicle models. 2-year/100,000 km warranty with free replacement policy.

Component Excellence

Product Technical Advantages

High-Precision Ball Joint

Imported Taiwan mirror polishing machines achieve surface roughness of Ra 0.4 and sphericity of 0.02mm, effectively reducing friction with the bearing sleeve for longer service life.

Premium Rubber Bushing

Formulated with natural rubber from certified suppliers and produced on fully automatic vulcanization machines. Achieves 800,000 fatigue cycles with pull-off force of 20,000–30,000N.

Durable Dust Boot & Bearing Sleeve

Made from Japanese neoprene rubber, self-compounded in-house. Withstands temperatures from -60°C to 80°C without cracking. Bearing sleeve uses DuPont 500P material with wear-resistant smooth surface and inner ring contact area exceeding 70%.

Extruded thread with strength grade 8+, cold-forged seal gaskets with 72h salt spray resistance, and 65Mn steel fixed rings with heat-treated elasticity.

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Quality Assurance

End-to-End Quality Control

Incoming Inspection

Aluminum composition analysis, appearance & dimension checks, high/low temperature testing, and ozone aging resistance verification for all raw materials.

Forging & Machining QC

Forging blank appearance & dimension checks, roughness & hardness testing, process parameter monitoring (heating, quenching, tempering), and first-article inspection.

Assembly & Shipping Inspection

Assembly first-article inspection, torque testing, ball stud pull-out force ≥20KN, rubber bushing pull-off force ≥5KN, appearance & dimension verification. Final product checks and electroplating inspection before shipment.

Ready to Partner with a Proven Control Arm Manufacturer?

Contact JAD today for a free quote. 90% in-house production, IATF16949 certified, 2-year warranty, and fast delivery worldwide.

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