OEM Service Fast Delivery Dark Soy Sauce for Supermarket Shiitake Soy Sauce. Natural Brewing Process: Brewed naturally under sunshine for 6 months to ensure rich flavor. Comprehensive Certifications: FDA, BRC, Halal, Kosher, and HACCP certified for global safety standards. Diverse Packaging Options: Available in glass bottles, plastic bottles, jars, drums, and soft bags. Fast Delivery Time: 7-15 days for stock items, 15-20 days for customized orders. Free Sample Availability: Samples provided free of charge, buyer covers freight cost. Manufacturer Direct Supply: Direct supply from factory with own production capabilities. Strong Aroma Profile: Features strong sauce and preserved bean aroma for premium taste. Grade A Quality: Top Grade quality assurance for all soy sauce products.