Manufacturing sourcing request of the IN13 helium box

This helium box is divided in 5 parts:  Fixed helium box (steel sheet – thickness 8 to 20mm)  Adjustable supports for fixed helium box (steel parts – thickness 8 to 55mm)  Mobile helium box (steel sheet – thickness 3 to 15mm)  Roller frame for mobile helium box (steel frame)  Deflector support (steel parts thickness up to 20mm) During operation, the inside of the box has a helium flow and the outside is at atmospheric pressure. The fixed helium box is clamped to the mobile helium box and it is necessary to provide aperture blanks for the leak test. The aperture covers will be recover from the old helium box for final installation at ILL premises.