Hello We are a cosmetic institute based in Switzerland. We would like to expand our product range with our own Gua Shastone and have come across your company. The shape should be like in the pictures. Measurements:11cm longth5cm width0,68cm thickness Stone: Open, which stones do you offer? Are there any price differences here? Quantity: 50 pieces or 100 pieces Logo: S or SC in gold or silver (depends on the stone).Price for a cardboard box Thank you very much for your feedback