ST-26 Youth Junior Long Shaft Badminton Racket
ST-26 Youth Junior Long Shaft Badminton Racket is available for custom OEM projects. Review the model specifications and discuss logo placement, visual design, and sample requirements before confirming an order for your private label brand.
Factory QC Standard: 6-Step Precision Inspection
Automated quality assurance system guaranteeing zero structural deformation and maximum durability.
1. Frame Pressure & Ultrasonic Integrity Scan
Cold-drawn alloy tubes undergo ultrasonic scans to eliminate latent micro-cracks.
2. T-Joint Torsional Rigidity Verification
T-joint connection subjected to 15 N·m torque deflection tests, preventing frame twisting.
3. Computerized Constant-Tension Stringing
Digital stringing machines calibrate uniform string tension with durable nylon lines.
4. Dual-Axis Center-of-Gravity Calibration
Laser alignment tools verify millimeter-level balance points (295±5mm).
5. Dynamic Drop & Impact Fatigue Verification
Simulated multi-angle impact endurance tests verify structural resilience.
6. Export Moisture-Proof Carton QC
Sealed protective polybags packed inside heavy-duty 5-ply cartons for ocean transport.
Frequently Asked Questions
Key information on custom branding MOQ, material selection, international shipping, and quality assurance.