4. why should you buy from us not from other suppliers? 1. We have more than 15 years manufacturing experience 2. Our company cooperate with state-level R&D institute 3. Oversea warehouse is also avaliable in some countries,which make sure fast and reliable delivery&aftermarket-service. 4. 7x24 hours service 5. what services can we provide? Accepted Delivery Terms: FOB,CFR,CIF,EXW; Accepted Payment Currency:USD,EUR,CAD,AUD,HKD,CNY; Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow; Language Spoken:English,Chinese