# Wong Cheung Wah U-I Oil (黃祥華如意油 帆船標)

> Hong Kong heritage medicinal oil brand founded in 1858. Six generations of family tradition. Made from natural Chinese herbs without artificial fragrances or preservatives. Certified HKC (Hong Kong), GMP (Malaysia), and Halal.

## Official website

- [Homepage](https://wcwuioil.com/): Brand story, ingredients, usage, certifications, contact
- [index.md](https://wcwuioil.com/index.md): Markdown source (`Accept: text/markdown` on `/` returns the same content)

## Full structured content

- [llms-full.txt](https://wcwuioil.com/llms-full.txt): Complete site content in plain text for AI systems
- [api-catalog](https://wcwuioil.com/.well-known/api-catalog): RFC 9727 linkset for this site's read-only content endpoints
- [openapi.yaml](https://wcwuioil.com/.well-known/openapi.yaml): OpenAPI description of content endpoints (not a transactional API)
- [status](https://wcwuioil.com/.well-known/status): Site availability (`application/json`)

## Key facts

- Brand: 黃祥華如意油 / Wong Cheung Wah U-I Oil / 帆船標 (Sailboat Brand)
- Company: 黃祥華流行堂(帆船標)有限公司 / Wong Cheung Wah Lau Hang Tong (Sailboat Brand) Limited
- Founded: 1858 (清咸豐八年)
- Product focus: 黃祥華如意油 鐵罐裝 25ml
- Email: cs@wcwuioil.com, wcwuioil@gmail.com
- Hong Kong factory: Flat A, 5/F., Wang Cheung Industrial Building, 6 Tsing Yeung Circuit, Tuen Mun, N.T., Hong Kong (HKC-03884)
- Malaysia factory: 30 & 32 Lorong Pala 6, Permatang Tinggi, 14100 Simpang Ampat, Pulau Pinang, Malaysia (MAL 24056137TC)

## Sections

- #home — Hero and brand introduction
- #story — Brand history timeline (1858–2025)
- #essence — Herbal formula and usage instructions
- #future — Certifications and family lineage
- #contact — Hong Kong and Malaysia factory details