High Quality Cosmetic Ingredients Sialic Acid N-Acetylneuraminic Acid Powder 98% Purity

High Quality Cosmetic Ingredients Sialic Acid N-Acetylneuraminic Acid Powder 98% Purity. Manufacturer Direct: Own factory with 6000 sqm area, 300+ employees, and professional R&D team. Free Sample Available: Free samples provided for quality testing, though freight and customs are buyer's responsibility. Flexible Customization: Offers OEM/ODM services, full customization, and minor customization options. Multiple Payment Options: Supports PayPal, T/T, and L/C payment methods for buyer convenience. Fast Delivery: Delivery within 5-10 days if in stock, or 15-20 days if not, based on quantity. Strict Quality Control: Guaranteed by National Commodity Inspection, third-party testing, and QA/QC inspectors. Versatile Applications: Used in neuraminidase inhibitors, dietary supplements, and biochemical derivatives.