Hi Friend,I am a buyer from Ahmed allthmary located in United States of America. I do have a customer that is interested your wing door lock barriers gate optical turnstile.May I know more information about product such as:Model Number,Type,Application,What is the product-per-unit cost including shipping via Air Express to the United States of America?If you have any other product that you believe I could have interest in please let me know.Regards and thank youMohammed AhmedAhmed allthmary Show More