Shantou Shanhao Knitting Co. Ltd, is a factory located in Shantou city with its sales department set up in Shenzhen. Shanhao specializes in the production of innovative functional underwear like period underwear, incontinence underwear, and maternity underwear with monthly output of 500,000 pieces of panties and 100,000 pieces of bras.
Shanhao is certified in ISO9001, GOTS, BSCI and others. At Shanhao, we have the best creative team who excel at materials and product development, finding solutions to problems while ensuring higher quality products.
Our customers are mainly from Europe, Australia, America and South Africa.
At Shanhao, we focus on developing products around our main products and also from the materials we are using the most and also make use of the wasted fabrics by creating products out of it, thus increasing our efficiency. In this way, we are able to offer a wide varieties of products at a lower cost.
Our products are made using Oeko-Tex certified materials, ensuring safety for all skin types, especially sensitive skin.
Featuring patented multi-layer designs for superior leak-proof performance and maximum comfort.
From eco-friendly materials to durable designs, we prioritize sustainable production to reduce environmental impact.
Our team is dedicated to providing outstanding customer service, ensuring a seamless shopping experience.
High-quality, breathable, and durable fabrics
Inclusive sizing, innovative design, and the availability of various styles to suit different body types and preferences.
Choose your flow type based on the number of pads, tampons or cups you use in approx. 12 hours.
These are guide figures, not medical advice. Absorbency is measured under lab conditions and real-world results vary with fit and activity. If your flow soaks through in under two hours, speak to a healthcare professional.
Shanhao ProFlow Heavy Flow Period Underwear — find your true-to-size fit.
| Size | US | UK | EU | Hip (cm) | Waist (cm) |
|---|---|---|---|---|---|
| XS | 4–6 | 8–10 | 36–38 | 88–92 | 66–70 |
| S | 6–8 | 10–12 | 38–40 | 92–96 | 70–74 |
| M | 8–10 | 12–14 | 40–42 | 96–100 | 74–78 |
| L | 10–12 | 14–16 | 42–44 | 100–104 | 78–82 |
| XL | 12–14 | 16–18 | 44–46 | 104–110 | 82–88 |
| 2XL | 14–16 | 18–20 | 46–48 | 110–116 | 88–94 |
| 3XL | 16–18 | 20–22 | 48–50 | 116–122 | 94–100 |
| 4XL | 18–20 | 22–24 | 50–52 | 122–128 | 100–106 |
Swipe sideways for EU, hip and waist
Wrap the tape around the narrowest part of your natural waistline.
Measure around the fullest part of your hips with feet together.
Between two sizes? Size up for a relaxed, overnight-ready fit.
Measurements are body measurements, not garment measurements. Tolerance is 1–2 cm on finished garments. For private-label orders we can build to your own size spec.
