we are a company located in bangkok,thailand.we are looking for reflective sheeting ,engineering grade,white.the application is for warning boards of agricultural machines. we need approx.10000 squaremeter per year.at the moment we are using american and japnese products.we now want to try chinese products.can you send us a sample of maybe 15x15 cm and the specification sheet,so that we can check the reflection.we can use only best material,because the required quality standard is almost as high as for traffic signs.