5cladba precursor, 5cladbb precursor, yellow powder

We have many products with low price and good quality, if you need, please contact me:
Telegram:@Anna5cl or 852 63325562
Threema:MCZX4UTM
Signal: Anna.4760
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First-class, attractive and reasonably priced high purity 99% white powder Advantages: High quality and competitive price. 1. We can provide samples for testing. 2. All purity >99%. As a manufacturer, we can provide high quality products at factory prices. Fast and safe delivery. 3. Customs clearance pass rate >99%. 4. We have established long-term and stable cooperative relations with DHL, FedEx, TNT, UPS, HK EMS. If the package is lost, we will replace it for free.