韩国采购需求：肽、美容肽、健身肽、减肥肽、送货上门肽

We are looking for a reliable supplier for two specific products used in our manufacturing processes. Kindly let us know if your company can supply these items and provide CIF Busan or DDU Korea pricing for 50 kg and a 0.5 kg sample of each product. We would appreciate pricing details per kg for both quantities. Additionally, please confirm the availability of a Certificate of Analysis (COA) for the products mentioned. Your prompt response would be greatly appreciated as we are eager to move forward with sourcing these materials. Thank you!