... batch by air or by seaEquipments: mechanical presses from 5T to 400T, hydraulic machine 315T, 700T, CNC shearing machine, TIG ... start mass production we will send the pre-production samples to customer for confirmation. We will modify the mould until ... , Aluminum alloy, Brass, Copper, Titanium, Iron, Nylon, or according to customers' requirements .Q4.What finishes can you provide? A: Polishing, electro ...