Direct Manufacturer • 600,000+ Monthly Capacity
Custom OEM/ODM Period & Functional Underwear Manufacturer
Scale your apparel brand with PFAS-free, certified leakproof period panties, incontinence underwear, and maternity garments, all sourced directly from our ISO 9001-certified facility.
Fabric Options: Organic Cotton, Bamboo, Nylon
Absorbency Range: 15ml to 80ml (Light to Super Heavy)
ISO9001 Factory
Certified OEKO-TEX 100
PFAS-Free Tech
5-7 Day Samples
Who We Are
Manufacturing excellence that delivers results
Shantou Shanhao Knitting Co., Ltd. is a vertically integrated factory in Shantou, Guangdong, with a sales office in Shenzhen — specializing in period underwear, incontinence underwear, and maternity underwear for brands, wholesalers, and e-commerce sellers across Europe, Australia, the Americas, and South Africa.
Our Manufacturing Process
Every product moves through five controlled stages before it ships — this is the technical credibility behind our certifications.
Certified For Global Markets
ISO 9001
Quality Management
OEKO-TEX 100
Skin-Safe Materials
GOTS
Organic Textile Standard
BSCI
Ethical Manufacturing
Built In, By Default
> Skin-safe certified fabrics
> Breathable, irritation-free materials
> Multi-layer absorbent structure
> Leak-proof barrier technology
> Washable design, reduced waste
Excluded, Always
> PFAS (forever chemicals)
> Phthalates
> Parabens
> Hormone-disrupting chemicals
| Feature / Standard | Shanhao Manufacturing Specs | Standard Trade Supplier |
|---|---|---|
|
Factory Certifications |
ISO9001, OEKO-TEX 100, GOTS, BSCI |
Basic ISO only or unverified |
|
Leak-Proof Core Tech |
Patented 4-Layer (PFAS-Free Tested) |
Generic TPU film layer |
|
Sample Turnaround |
5 – 7 Business Days |
14+ Business Days |
|
Monthly Production Capacity |
600,000+ Units / Month |
Varies / Subcontracted |
Why Choose Shanhao
Who We Serve
With over 10 years of experience in functional underwear manufacturing,
Shanhao supports brands, distributors, retailers, and e-commerce businesses across Europe, Australia, America, and South Africa.
Private Label Brands
Startups and growing brands partner with Shanhao to create premium period underwear, maternity wear, nursing bras, and incontinence products all with custom branding and packaging.
- Low MOQ Options
- Custom Labels & Packaging
- OEM & ODM Development
- Fast Sampling Service
E-Commerce Sellers
Amazon sellers, Shopify stores, TikTok Shop vendors, and DTC websites all benefit from reliable production and quality built for modern consumers.
- Trend-Driven Products
- Consistent Product Quality
- Fast Replenishment Support
- Global Shipping Experience
Wholesalers & Distributors
Large production capacity, competitive pricing, and strict quality control make Shanhao a dependable partner for wholesalers and distributors worldwide.
- 600,000+ products Capacity
- Bulk Order Support
- Competitive Factory Pricing
- Quality Assurance System
Who we are
Shantou Shanhao Knitting Co., Ltd. is a professional period underwear manufacturer in China with more than 10 years of experience, specializing in reusable leakproof menstrual panties, incontinence underwear, and maternity underwear.
The factory is based in Shantou City, while the sales team operates from Shenzhen to serve global customers more directly. Together, they produce up to 500,000 panties and 100,000 bras every month using advanced manufacturing facilities.
Internationally recognized certifications — including ISO9001, GOTS, BSCI, and OEKO-TEX — back every product. Meanwhile, an experienced development team continuously improves fabrics, designs, and production techniques to deliver comfortable, reliable underwear solutions.
Because of this track record, brands across Europe, Australia, America, and South Africa have partnered with Shanhao over the years to develop private label and OEM underwear collections.
About Us
Manufacturing Excellence
That Delivers Results
Shanhao holds ISO9001, GOTS, BSCI, and other internationally recognized certifications. As a result, the in-house development team can focus on materials and product innovation
solving problems before they affect quality, so every finished garment meets a higher standard.
Certified Safe Materials
OEKO-TEX® certified fabrics are used throughout, designed for skin safety and everyday comfort.
Sustainable Manufacturing
Eco-conscious production methods and responsible material sourcing are standard practice here.
Advanced Textile Technology
Innovative dyeing, finishing, and functional fabric development set each product apart.
Global Market Experience
Brands, wholesalers, and retailers worldwide trust this experience for consistent results.
Flexible OEM/ODM Services
Custom development, private labeling, and bulk manufacturing are all available on request.
Strict Quality Control
Every production stage is monitored closely, ensuring consistency from batch to batch.
Why Choose Shanhao
Trusted by Global Brands for Quality, Innovation & Reliability
As a trusted period underwear manufacturer, Shanhao guides every product through health, safety, comfort, and sustainability standards. Health, safety, comfort, and sustainability guide every product Shanhao creates. These values shape each step of the design and production process, from material selection to final packaging.
Shishishi Shenghuang Textile Technology Co., Ltd. develops the functional underwear and hygiene products behind the Shanhao brand, using certified materials and advanced fabric technology. As a result, every garment provides reliable protection, long-lasting performance, and skin-friendly comfort.
- PFAS (forever chemicals)
- Phthalates
- Parabens
- No hormone-disrupting chemicals
- Skin-safe certified fabrics
- Breathable, irritation-free materials
- body contact comfort
- Multi-layer absorbent structure
- barrier technology
- Incontinence protection
- washable design reduces waste
- Long product lifecycle
- impact from single-use plastics
- Sustainable fabric
Our Product Manufacturing Process
Strict manufacturing and quality control processes govern every product before it leaves the facility. Because of this, brands consistently receive superior comfort, durability, safety, and performance. Whether you’re launching a new brand, sourcing a manufacturing partner, or seeking custom OEM/ODM solutions, the team responds within 24 hours.
Leak-Proof Layer Integration
Fabric Inspection & Testing
Product Design & Development
Pattern Making & Sampling
Final Audit & Global Shipment
Our All Products
- All
- Ordinary Panties
- Period Panties
- Menstrual Pads
- Period Swimwear
- Maternity Wear
- Wet Bags
Manufacturing Insights:
Technical Answers & Standards
Shanhao is certified with ISO9001, GOTS, BSCI, and uses OEKO-TEX® certified materials. Together, these certifications show a commitment to quality management, ethical manufacturing, sustainable sourcing, and product safety for international markets.
Yes complete OEM and ODM solutions are available, including custom designs, private labeling, logo printing, packaging development, fabric sourcing, absorbency customization, and product development tailored to each brand’s requirements.
High-quality, eco-friendly materials such as organic cotton, bamboo fiber, modal, recycled fabrics, and OEKO-TEX® certified textiles are used across the product line. Material selection can be customized based on market and product requirements.
Every product passes through multiple quality control stages, including fabric inspection, production monitoring, absorbency testing, stitching inspection, sizing verification, and final packaging audits. A dedicated QC team ensures consistent quality before shipment.
Products are supplied to customers across Europe, Australia, North America, South Africa, and other international markets. Extensive export experience means the compliance requirements of different regions are well understood.
OEM / ODM: Industry's Top Underwear Manufacturer
We aim to please our clients
Contact Us
Let's Build Your Next Best-Selling Product Together
Whether you’re launching a new brand, sourcing a reliable manufacturing partner, or looking for custom OEM/ODM solutions, the team here is ready to help.
Sales Office
- A601, Zhantao Technology Building, Longhua District, Shenzhen, Guangdong Province, China
Manufacturing Facility
- Xianbohuan East Road, Gurao Town, Chaoyang District, Shantou City, Guangdong Province, China
- Phone / WhatsApp : +86 181 2512 1337
- Email: rose@shanhaoundies.com