What is the Minimum Order Quantity (MOQ) and sample lead time for SJ-GF (Straightened Goose Feather / 2-Layer Composite Cork)?

Our minimum wholesale order for SJ-GF (Straightened Goose Feather / 2-Layer Composite Cork) is 50 tubes (1 master carton) for standard factory packaging, and 50 tubes (1 master carton) for custom private label foil hot-stamping. Starter sample evaluation kits (1-2 tubes) are dispatched within 24-48 hours via express air courier.

What feather grade and cork base construction are used in SJ-GF (Straightened Goose Feather / 2-Layer Composite Cork)?

SJ-GF (Straightened Goose Feather / 2-Layer Composite Cork) is manufactured with Straightened Goose Feather and 2-Layer Composite Cork, delivering official tournament trajectory and exceptional smash durability.

Which flight speed rating (74 - 79) is recommended for SJ-GF (Straightened Goose Feather / 2-Layer Composite Cork) in different climates?

Every batch undergoes automated wind-tunnel rotation calibration: Speed 75 for hot/humid or high-altitude regions (>30°C), Speed 76-77 for standard temperature indoor courts (20-28°C), and Speed 78 for cold/dry winter climates (<15°C).

Can we customize private label branding, foil stamping, and cork stickers for SJ-GF (Straightened Goose Feather / 2-Layer Composite Cork)?

Yes, ShuttlecockOEM provides complete OEM/ODM private label customization including metallic foil tube hot-stamping, branded feather band tape printing, custom top/bottom tube caps, and pad-printed bottom cork logos.

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🔵 Tournament & Pro

SJ-GF Straightened Goose Feather 2-Layer Composite Cork Badminton Shuttlecock - Badminton Shuttlecock OEM

SJ-GF Straightened Goose Feather 2-Layer Composite Cork Badminton Shuttlecock Detail 1

SJ-GF Straightened Goose Feather 2-Layer Composite Cork Badminton Shuttlecock Detail 2

SJ-GF Straightened Goose Feather 2-Layer Composite Cork Badminton Shuttlecock

Q: Can we customize private label branding, foil stamping, and cork stickers for SJ-GF (Straightened Goose Feather / 2-Layer Composite Cork)?

Yes, ShuttlecockOEM provides complete OEM/ODM private label customization including metallic foil tube hot-stamping, branded feather band tape printing, custom top/bottom tube caps, and pad-printed bottom cork logos.

Engineered for high flight consistency and smash durability, the SJ-GF belongs to the premier ShuangJian (SJ) Series. Manufactured with selected Straightened Goose Feather and an impact-resistant 2-Layer Composite Cork, it provides stable aerodynamics and long court service life. Calibrated for Tournament & Pro, available for global B2B container wholesale and custom private label OEM/ODM branding.

Feather Material: Straightened Goose Feather

Cork Base: 2-Layer Composite Cork

Feather Grade: Tournament & Pro

Flight Speeds: Speed 75-78 (Wind-Tunnel Calibrated)

Flight Stability: Grade A Tournament Flight

Durability Rating: ★★★★★

Packaging: 50 Dozens/Carton

Benchmark Model:

Submit Custom Requirements Request Free Samples

Product Name	SJ-GF Straightened Goose Feather 2-Layer Composite Cork Badminton Shuttlecock
SKU / Model	SJ-GF (Tournament & Pro)
Feather Material	Straightened Goose Feather
Cork Base	2-Layer Composite Cork
Feather Grade
Flight Trajectory	Grade A Tournament Flight

Smash Durability	★★★★★
Speed Rating	Speed 75-78 (Wind-Tunnel Calibrated)
Packaging	50 Dozens/Carton
Minimum Order	50 Dozens (50 Dozens/Carton)
Benchmark Comparison
Performance Profile	Engineered for high flight consistency and smash durability, the SJ-GF belongs to the premier ShuangJian (SJ) Series. Manufactured with selected Straightened Goose Feather and an impact-resistant 2-Layer Composite Cork, it provides stable aerodynamics and long court service life. Calibrated for Tournament & Pro, available for global B2B container wholesale and custom private label OEM/ODM branding.

Tube Packaging & Foil Labeling	Full-color offset tube printing, metallic hot stamping, customized brand logo, and tailored tube end-caps.
Cork Base Foil Seal & Ribbon Tape	High-definition logo printing on the colored ribbon tape banding the 16 feathers and cork bottom gold seal.
Custom Tube Cap Color & Branding	Pantone-matched tube end caps with embossed, debossed, or hot-stamped company monograms.
Regional Climate Speed Calibration	Custom speed tuning (75-78) optimized for your local altitude, seasonal temperature, and arena humidity.
Fast 3D Mockup & Sample Dispatch	Digital 3D proofs delivered in 24 hours; physical custom-branded production samples dispatched in 5-7 business days.

Factory QC Standard: 6-Step Automated Precision Inspection

STEP 01

Quill Weight & Stiffness Sorting

Laser sensors measure quill curvature, thickness, and moisture content with ±0.05g weight sorting.

STEP 02

Auto 16-Needle Precision Insertion

Robotic feather insertion ensures identical 74-degree feather insertion cone angle.

STEP 03

Dual-Ring Resin Binding

High-tensile nylon thread dual-wrapped with cold-resistant aerospace adhesive.

STEP 04

Optical Rotation Inspection

High-speed optical inspection verifies rotational symmetry and stable flight trajectory.

STEP 05

Wind-Tunnel Speed Grading

Automated air-cannon tests flight distance, sorting into exact 75-78 speed batches.

STEP 06

Pre-Shipment Humidity Lock

Moisture conditioning preserves feather flexibility during international sea transit.

Global Climate & Shuttlecock Speed Matrix (Tournament Standard)

Select the optimal flight speed batch based on your regional altitude and local court temperature.

Speed Rating	Optimal Temperature	Recommended Season, Altitude & Region
Speed 75	30°C+ (86°F+)	Tropical areas (30°C+), Middle East / SE Asia summer, or high-altitude courts (1,000m+)
Speed 76 ★ (Standard Benchmark)	24°C - 30°C (75°F - 86°F)	Warm weather (24°C - 30°C), summer indoor courts, temperate coastal regions [Recommended Standard]
Speed 77	18°C - 24°C (64°F - 75°F)	Standard spring/autumn climate (18°C - 24°C), climate-controlled gyms
Speed 78	12°C - 18°C (54°F - 64°F)	Cool weather (12°C - 18°C), autumn/winter in Europe, North America, Japan & Korea
Speed 79	0°C - 12°C (32°F - 54°F)	Cold winter climate (0°C - 12°C), high-latitude northern winter gymnasiums