Inquiry About KOREAN GLASS SkIN GUARANTEE SERUM

Hey hi dear,I'm looking for information in regards to the KOREAN GLASS SkIN GUARANTEE SERUM which gives a PORE LESS, SHINY and SMOOTH effect on the skin. This product usually contains ingredients like HYALURONIC acid, MADECASSOSIDE or NIACINAMIDE which give a shining effect to the skin I'm reaching out today because based in Mumbai,India and looking to start an eCommerce store and hope to do business together I am wondering about the price per unit of 100-500 units of the product.What would be your lead time for an order of this size.ALSO, Are you able to supple me with samples of the product? If so, what would your lead time be for a sample and do you require payment for a sample?Also, what would be your payment terms?Looking forward to hearing from you soon.Thanks Apeksha