Plastic laser micro welding

We are looking for automatic laser welding equipment for small plastic pieces, up to 15mm max dimension.

Gap tolerances: Max variation from nominal  +/-20% if gap nominal is =< than 0.3mm; Max variation from nominal  +/-30% if gap nominal is <0.2mm; Max variation from nominal  +/-40% if gap nominal is <0.1mm; Max variation from nominal  +0.05mm if gap nominal is 0mm