I work for an Import/ Export/ Custom Brokerage company that services our customers needs and requirements and possibly to source goods and services occasionally.Can you please quote me on the price of the items listed below (FOB port of Shenzen):OCB-2615OCB-2621OCB-2611OCB-6952OCB-7200What's your minimum order requirement and do you offer/ sell samples for testing/ evaluation purposes? By what means can this be acquired?Are all the necessary accessories and required material packaged per item/ box for retail and immediate installation by purchaser or is it necessary to sell along with installation services offered? Is it possible to see the list of contents per box along with the instruction/ installation & operational manual along with full pictures of the pieces?What make and model vehicle is this system NOT compliant with, or not recommended to be used in? Are there any modifications that can be made per customer request or is this a standard as is sold system?Please advise accordingly.