Amplifier Installa Kit FAQ: 1. Q; Are you manufacture or trading company?A: We are manufacture has more than 10 years manufacturing experiences. 2.Q: Do you acceptt OEM order?A: Yes 3.Q: Where is your factory located ?A: we located in  Haiyan, Jiaxing, Zhejiang, next to shanghai. 4 : Q: Can you offer sampple?A: Yes, we can offer sample, whether free depend on your detail requirement. 5: Q: What is your payment term?A: We have several payment terms for you,T/T,Western Union,Paypal,L/C,etc. 6: Q:What about the lead time for mass production?A:20ft contaniner production tme usually is about 10-15days https://b8ed353bc6b103b6.en.made-in-china.com/ https://www.zjcablewire.com/index.php/product-category/speaker-cable/