Aircraft Wheel Chocks (Greece)

We are an importing company dealing with road safety products and ppe situated in athens greece. In order to understand the type of business. We currently we have an inquiry for 500 pieces of aircraft wheel chocks for medium and heavy weight aircrafts with reflective yellow stripe in the middle. Please advise on best possible solutions weights and dimensions as well as your best price offer since the quantity is important and price plays a very important role. Finally is you have a list of types of aircraft that your wheel chocks cover please send it to me as a reference for them. Your prompt reply is much appreciated.