High quality and competitive price. 1. We can provide samples for testing. 2. All purity >99%. As a manufacturer, we can supply high quality products at ex-factory prices. Fast and safe delivery. 1. The package can be delivered within 3-5 working days after receiving the payment tracking number. 2. Safe and prudent mode of transportation for your choice. 3. Customs qualification rate >99%. 2.Our customers are all over the world. 1. Professional services and rich experience make customers feel at ease, sufficient inventory and fast delivery to meet their needs. 2. Feedback from the market and goods will be appreciated. It is our responsibility to meet customer requirements. 3. High quality, competitive price, fast delivery, first-class service has won the trust and praise of customers 5cladb 5cladba 1119-51-3 bmk pmk