Weigh platform for 1000kg floor scale

We are looking to manufacture floor type weigh platforms. Mild Steel structure platform1.2m x 1.2m suitable to carry weights up to 1000kg weight. The designer to have a knowledge of load cells and junction box and include mountings in platform. The design to be in kit form for quick and easy assembly in our welding workshop. Experience in weigh platforms will be an advantage. Further detail once we have identified a competent designer engineer.