Why Choose Us? High quality with competitive price: 1. All Purity≥ 99%. 2. We are manufacturer and can provide high quality products with factory price. 3. Sample available. Fast and safe delivery: 1. Parcel can be sent out in 24 hours after payment. Tracking number available. 2. Secure and discreet shipment. Various transportation methods for your choice. 3. Double Clearance Service, Customs pass rate ≥ 99%, Door to door delivery. 4. We have overseas warehouses with stock, and large items can be shipped directly. Our hot-selling products are as follows: 28578-16-7 5449-12-7 20320-59-6 718-08-1 10250-27-8 110-63-4 110-64-5 7331-52-4 5469-16-9 1451-82-7 1451-83-8 91306-36-4 49851-31-2 5337-93-9 1009-14-9 877-37-2 236117-38-7 34911-51-8 52190-28-0 37148-47-3 37148-48-4 593-51-1 16940-66-2 123-75-1 If you have a need for our products or have any questions, please feel free to contact me in the following ways: Whatsapp/Telegram/Signal: +86 18140573223 Threema: F35UMZ3Y Email