Dongguan Rainbow(RanBao) Garments Co., Ltd.
Professional Underwear Manufacturer | OEM/ODM Services | Global Shipping
Established in 2013 | 12 Years Experience | Served 1000+ Brands
Size Information
Underwear Size Chart
| Size | Waist (inches) | Waist (cm) |
|---|---|---|
| Small | 28-30 in. | 71-76 cm |
| Medium | 32-34 in. | 81-86 cm |
| Large | 36-38 in. | 91-96 cm |
| XL | 40-42 in. | 101-106 cm |
| 2XL | 46-48 in. | 116-122 cm |
Production Capacity & Materials
Material Selection
- Organic Cotton
- Lenzing Micro Modal
- Bamboo Viscose
- Modal & Cotton
- Nylon & Polyester
- Tencel Lyocell
- Seamless Technology Fabrics
- Recycled Polyester
Production Process
- Fabric Inspection
- Precision Cutting
- Computerized Sewing
- Quality Trimming
- Label Application
- Ironing & Finishing
- Final Inspection
- Packing & Shipping
Production Capacity
- Minimum 400,000 pieces/month underwear
- 150 skilled workers
- Advanced multi-ply cutting machines
- Flexible MOQ options
- Quick turnaround: 15-30 days production
- Automated sewing lines: Automated Cutting Machines , Electronic Seamlesswear Knitting Machines, High-Speed Sewing Machines
Certifications & Quality
OEKO-TEX® STANDARD 100 Certified
Certificate No: SH020 234465
Valid Until: January 15, 2026
Product Class: II (Products with direct skin contact)
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Certification Scope:
- Men's & women's underwear (boxers, briefs, thongs, bikinis)
- Materials: 100% cotton, 100% modal, bamboo viscose
- Cotton/modal blends with or without spandex
Quality Assurance
- BSCI (Business Social Compliance Initiative)
- ISO9001 Quality Management System
- 100% pre-shipment inspection
- Material testing for color fastness and durability
OEM/ODM Services
Design Sharing
Accept hand sketches, 3D designs, and various file formats (STL, OBJ, JPEG, PDF, PNG, DWG)
Non-Disclosure Agreement
Strict confidentiality - never disclose original designs to third parties
1-on-1 VIP Service
Dedicated team to communicate your design concepts
Quotation & Costing
Professional quoting department for accurate cost estimation
3D Design Rendering
Create 3D renderings to confirm every detail
Sample Development
Produce physical samples with detailed feedback
Quality Inspection
100% quality check before shipment meeting ISO9001 standards
Logo & Printing Options
Logo Customization
- Heat Transfer Labels
- Embroidery
- Woven Labels
- Silicone Prints
- Custom Hang Tags
Printing Techniques
- A1: Digital Printing
- A2: Screen Printing
- A3: Sublimation Printing
- A4: Offset Printing
Company Information
Dongguan Rainbow(RanBao) Garments Co., Ltd.
Address: Wan Peng Industrial Area, Bei Zha, Hu Men Town, Dong Guan City, Guangdong Province, China
Postal Code: 523000
+86 15342224299
eleven@hkrainbow.cn
Website
ranbaounderwear.com
Our Advantages
- 12 years manufacturing expertise
- High quality standards with OEKO-TEX certification
- Large production capacity (400,000+ pieces/month)
- Flexible OEM/ODM services
- Competitive pricing
- Fast production turnaround
- Global shipping solutions
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FAQ
Q1: How can I contact you?
Collaborate with us | Contact
📧 Email: eleven@hkrainbow.cn
📱 Whatsapp: +86 153-4222-4299
⏱️ Production Process Timeline
Assigned manager within 24h → Proposal in 3 days → Physical samples in 7-15 days
Build Your Exclusive Product Line
Submit your requirements and our professional team will contact you within 24 hours to provide you with:
✅ Free design support
✅ Small batch production solutions
✅ One-on-one design and fabric consultation
Urgent project launch?
👉 Submit Requirements Now
📞 Call Production Director directly: +86 137 1740 4853
Q2: What is your minimum order quantity (MOQ)?
Q3: Can you help with fabric sourcing and design?
Yes! We offer end-to-end services:
-
Material selection: Organic cotton, Modal, sustainable options. 100% customized.
-
Tech packs & 3D prototyping for design approval.
-
Size grading based on regional standards (US/EU/Asia)
Q4: How do you ensure product compliance?
All products meet international safety standards:
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Safety certifications: OEKO-TEX® Standard 100, SGS testing.
-
Legal labeling: Fiber content, care instructions, and safety class (e.g., Class B for skin contact)