We are a professional medical material and equipment trading company established in 1999, in Hong Kong. We are in huge demand for ox gallstones, cow gallstones, calculus bovis. If you happen to have them to sell and are willing to set stable cooperation, pls feel free to contact us at below details WhatsApp: +8618032446895 WeChat: +8618032446895 Email: albusduane@gmail.com Show More