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I'm interested in getting more information on Black ginger and Barley grass powders. Specifically, I would like to know about the sourcing methods and quality standards you adhere to for these products. Additionally, please provide details regarding the nutritional profiles, potential health benefits, and any certifications you may have. Furthermore, I'd appreciate information about your packaging options and minimum order quantities. Are there different grades available, and what are the associated pricing structures? It'd be great to know about any lead times for orders, as well as the shipping arrangements you offer. Looking forward to your detailed response!