High Quality Biological Fermentation and Protein Ingredient Corn Steep Liquor

High Quality Biological Fermentation and Protein Ingredient Corn Steep Liquor. Rich Soluble Protein: Contains 40-50% solids and rich soluble protein for microbial growth. Antibiotic Biosynthesis: Promotes penicillin biosynthesis and serves as organic nitrogen source. Custom Packaging: Packages can be customized according to buyer requests. Free Sample Testing: Free samples provided for testing before shipment. Sample Retention: Samples kept for 3 years after shipment for quality reference. Professional Loading: Dedicated team supervises loading with photos and records at every step. Fast Shipment: Peak and off-peak season lead time within 15 workdays. Mixed Container Service: Ability to mix different items within a single container.