![check-valve check-valve](https://www.honchuan.com/storage/images/products/07-innovative-products/cap-check-valve/check-valve.jpg)
Main Advantages
Many development countries have more and more core family, and the small volume & high quality soy sauce product has became popular. HONCHUAN check valve cap can provide the longer shelf life and keep fresh.
- Effectively inhibit the oxidation of contents, keeping it fresh.
- suitable for soy sauce product.
- multicolor cap.