Amadis Chemical is one of the leading enterprises in medical and health products research,development,manufacture and trading.rnEstablished in 2010, Amadis Chemical are adhering to the " Consummate service Convincing honor " Business strategy. 4,5-Dihydro-7H-thieno[2,3-c]pyran-7-one wird auch durch uns angeboten. The topping products and service we providing to you base on our strong technical accumulation and outstan ...