
UN-SQ-01 Raqueta de squash
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OEM Structural Engineering, Quality Tolerances & Private-Label Dossier: UN-SQ-01
Comprehensive factory engineering specification sheet, AQL 1.5/2.5 quality control tolerances, private-label branding options, and mass-production workflow for UN-SQ-01 | Raqueta de squash · Carbono completo.
Model UN-SQ-01 is an active OEM and private-label raqueta de squash platform manufactured at our 12,000 m² facility in Fuyang District, Hangzhou (Hangzhou Bailian Trading Co., Ltd.). Built for squash equipment brands and institutional athletic programs, UN-SQ-01 features a 77.5 in² head size, 16 × 19 string bed configuration, and a lightweight frame balanced at 350mm for rapid wrist acceleration and tight wall-corner maneuverability.
Every production lot of UN-SQ-01 undergoes multi-axis CNC grommet/hole drilling (±0.02mm accuracy), dust-free 4-stage electrostatic painting with high-adhesion waterslide decal curing, digital weight/balance sorting, and 9-category laboratory verification (fatigue, frame torsion, drop-weight impact, projectile impact, triaxial vibration, and swing-weight calibration). Packed in moisture-barrier export master cartons (50 sets/carton, volume verified per order), it is ready for EXW, FOB Ningbo/Shanghai, CIF, or Door-to-Door DDP dispatch.
- Platform Code: UN-SQ-01 (Raqueta de squash · Carbono completo)
- Quality Assurance: ISO 9001:2015 Certified Plant · AQL 1.5 Major / 2.5 Minor Pre-Shipment Audit
- Prototyping & Production: 3–7 Days Custom Physical Sampling · 15–25 Days Mass Production
- Export Master Packing: 50 sets per master carton (5-ply export corrugated box)
1. Technical Specifications & Factory QC Tolerance Matrix (UN-SQ-01)
| Engineering Parameter | Model Target Specification | Factory QC Tolerance | Testing & Verification Protocol |
|---|---|---|---|
| Model Code (SKU) | UN-SQ-01 | 100% Batch Barcode Traceability | ERP Work-Order & Laser Serial Verification |
| Sport Category & Platform | Raqueta de squash | Compliant with International Court Geometry | 3D CNC Mold & Jig Dimensional Gauge |
| Primary Material System | Carbono completo | Incoming Prepreg / Alloy Lot COA Verified | Universal Materials Tensile & Shear Tester |
| Longitud | 685±2mm | ±1.0mm | Laser Length Gauge & Mold Stop Fixture |
| Área de la cabeza | 77.5 in² | Verified per approved golden sample | In-line QC & pre-shipment audit |
| Patrón de encordado | 16 × 19 | Verified per approved golden sample | In-line QC & pre-shipment audit |
| Frame Torsional Deviation (Static Torque) | < 1.5° under rated torque | Bilateral angular variance ≤ 0.2° | Racket & Frame Torsion Testing Machine |
| Pre-Shipment Inspection Standard (PSI) | ISO 2859-1 / ANSI ASQ Z1.4 | AQL 1.5 Major / AQL 2.5 Minor | Factory COA Dossier + SGS / TÜV Third-Party Inspection Supported |
2. Private-Label OEM Customization, Branding & Packaging Matrix
| Customization Module | Open-Mold Baseline Configuration | Custom Private-Label Options | Batch Scope & Verification |
|---|---|---|---|
| Mold Tooling & Structural Layup | UN-SQ-01 verified open-mold tooling (Zero mold fee) | Custom carbon prepreg orientation, target static weight window, balance point shift, and shaft stiffness tuning | Open mold: $0 tooling fee; Private CNC steel mold: 20–30 days |
| Surface Coating & Texture | Factory standard multi-layer PU protective finish | Matte, High-Gloss, Satin, Metallic/Chameleon gradient, or raw exposed unidirectional/woven carbon finish | Pantone (PMS) & RAL color matching on physical swatches |
| Brand Artwork & Logo Application | Unbranded blank frame or standard catalog presentation | High-definition 80°C heat-cured waterslide decals (frame, throat & shaft), laser-engraved cone, and 3D domed butt-cap badge | Vector artwork (AI / EPS / PDF / SVG) pre-flight check within 24h |
| Handle, Grip & Stringing Setup | Standard grip size with factory PU replacement grip | Custom G2–G6 handle circumference, embossed logo PU grip, retail barcode shrink-wrap, unstrung or CNC pre-strung with stencil logo | Custom string colour, gauge & tension per SKU |
| Retail Accessories & Export Packing | Individual polybag protection + 50 sets per 5-ply export master carton | Custom branded velvet drawstring pouch, padded Oxford full-cover bag, thermal foil racket bag, twin-pack retail card, and custom shipping marks | EXW, FOB Ningbo/Shanghai, CIF & Door-to-Door DDP supported |
3. Prototyping, Mass Production & AQL Inspection Workflow
| Production Stage | Factory Output & Deliverable | Quality Gate & Lab Standard | Standard Lead Time |
|---|---|---|---|
| Stage 1: Engineering Review & Spec Lock | Confirmed UN-SQ-01 BOM sheet, layup schedule, and 2D/3D waterslide decal dieline proof | Structural feasibility, weight/balance tolerance window & Pantone color alignment | Within 24 Hours |
| Stage 2: Physical Golden Sample Prototyping | Physical prototype rackets finished with your custom paint, decals, grip, and target spec window | Digital weight/balance verification, shaft flex / EVA durometer check & cross-hatch paint adhesion test | 3–7 Business Days |
| Stage 3: Layup, Thermal Molding & CNC Drilling | Bulk frame bladder/compression curing, flash trimming, and robotic multi-axis CNC hole drilling | Void-free compaction audit, hole pitch accuracy (±0.02mm) & static frame torsion sampling | Production Days 1–10 |
| Stage 4: Electrostatic Coating, Decal Curing & Assembly | Dust-free primer/color/decal/topcoat curing, handle mounting, grommet insertion & optional stringing | Spectrophotometer delta-E check, constant-pull tension check & 100% digital weight/balance sorting | Production Days 11–18 |
| Stage 5: 9-Point Lab Audit & AQL Container Dispatch | 50 sets/master carton export packing, batch Certificate of Analysis (COA), and FOB/DDP dispatch | ISO 2859-1 (AQL 1.5 Major / 2.5 Minor) final audit, fatigue/impact verification & carton drop test | 15–25 Days Total |
Frequently Asked Questions for OEM Buyers — UN-SQ-01
Can model UN-SQ-01 be customized with our private-label brand artwork, decals, and retail bags?
Yes. UN-SQ-01 (Raqueta de squash · Carbono completo) supports full OEM private-label customization—including Pantone-matched matte/gloss/satin finishes, 80°C heat-cured waterslide decals, laser-engraved cones, custom molded butt-cap badges, embossed PU grips, and branded carry bags—with zero mold tooling fees on our active open-mold platform.
Can we adjust the weight, balance point, or layup specifications on UN-SQ-01?
Yes. While UN-SQ-01 has a verified baseline configuration (Longitud: 685±2mm; Área de la cabeza: 77.5 in²; Patrón de encordado: 16 × 19), our composite engineers can tune layup angles, counterweight inserts, stringing setup, or surface texture during prototyping to match your target player profile.
What is the sampling lead time, mass-production timeline, and export carton packing for UN-SQ-01?
Existing reference samples ship within 48 hours, while custom-branded physical prototypes of UN-SQ-01 take 3–7 business days. Mass production takes 15–25 days after golden sample sign-off. Standard export packaging is 50 sets per 5-ply moisture-barrier master carton (FOB Ningbo/Shanghai or DDP).
How is quality consistency verified on UN-SQ-01 before container loading?
Every batch of UN-SQ-01 produced at our ISO 9001:2015 Hangzhou Fuyang plant undergoes 100% digital static weight and balance sorting, constant-pull tension verification, and 9-category destructive/non-destructive lab testing under ANSI/ASQ Z1.4 (AQL 1.5 Major / 2.5 Minor). Pre-shipment inspection (PSI) by SGS, TÜV, or your nominated inspector is fully supported.
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