Huge Plastic Injection Moulds

We are in need of a mould maker capable to manufacture huge moulds and make injection tests (preferably in the shen zhen area).The parts are big garbage containers and its covers. We do not have images or 3D yet, but you can imagine which kind of products we are talking about.Technology must be mould injection (rotomoulding is not possible)I can give you some information about the mould sizes and the required injection machinery:1) box:Mould dimensions (mm) 2500x2500x2000Injection machine 5000tn2) coverMould dimensions (mm) 2500x2000x1200Injection machine 2500tn3) bib-boxMould dimensions (mm) 3000x3500x2500Injection machine 5000tn