Hpmc manufacturer / supplier in China, offering PP Fiber Polypropylene Fibers 1.5-200mm Multi-Length Crack Resistance & Reinforcement for Precast, Shotcrete, Structural, Cr-PP3 Polypropylene Fiber 3mm Crack Resistance PP Fiber Anti-Spalling & Concrete Reinforcement for Flooring, Shotcrete, Industrial, SLS Sodium Lignin Sulfonate Concrete Water Reducer & Strengthener Eco-Friendly Admixture for Ready-Mix, Precast, Construction and so on.