We are looking for perindoprilat and please provide following information Relevant information: 1. Is it FDA approved? 2. Is it cgmp certified? 3. Have you been selling api to any big pharma and could you give an example? 4. Have you filed dmf with FDA for the above-mentioned api? 5. Quotation of the api. Nang kuang has running business for 41 years. We are looking for a good supplier to build long-term relationship. We look forward to hearing from you soon and running business with you in the near future.