PC steel bar is a kind of low carbon alloy steel bar with heat treatment for high strength pre-stressed concrete pile. It is mainly used in producing port concrete pile, high-rise building foundation concrete pile and pier concrete pile, etc.
1. Disposable, single-use, breathable, light and environment-friendly.2. High elasticity ear loop help fit different users and dual point attachment helps provide a secure seal.3. Adjustable nose piece for extra comfort;