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I'm looking for more detailed information about the Liu Wei Di Huan Wan product. Specifically, I'd like to know about its specifications, ingredients, and any available certifications. Additionally, if you could provide insights on the recommended usage and potential benefits, that would be greatly appreciated. It would also be helpful to know about your pricing, minimum order quantities, and lead times for delivery. If you have any product brochures or catalogs, please share those as well. Looking forward to your prompt response to help me evaluate this product for our needs.