68-12-2

2. Purity is all >99%. As a manufacturer, we can provide high-quality products at ex-factory prices. Fast and safe delivery.
3. The package can be delivered within 3-5 working days after receiving the payment tracking number.
4. There are safe and secure transportation methods for you to choose.
5. The qualified rate is >99%.
6. We have established long-term and stable cooperative relations with DHL, FedEx, TNT, UPS, and Hong Kong EMS. If the package is lost, we will replace it for free. Our customers are all over the world.
7.re welcome to provide feedback on the market and products. It is our responsibility to meet customer requirements.