High Purity Food Grade Glucono Delta Lactone (GDL) with Best Price. High Purity GDL: Assay 99.56%, meets USP32/FCC IV standards with low heavy metals. Multi-Industry Use: Used in tofu coagulation, dairy, meat preservation, and pharmaceuticals. Certified Quality: ISO, FDA, HACCP, and SGS certified by Chinese supplier. Customizable Specs: Particle size available in 16-60, 60-68, and 80-100 Mesh options. Fast Delivery: Ships within 7 days after payment; 15 workdays during peak season. Free Samples: Offers free samples and accepts small orders for testing. Global Export: Exports to 30+ countries with branches in HK, India, Chile, Turkey. One-Stop Service: Provides product search, QC, warehousing, and international logistics.