About Nerimium: "It considerably improves protection, but has speed and acceleration reduced by 25%" (Comparative to what? Obviously the Yamataium but I, as the reader, could be misinterpreting or wrong. Clarify.)
About Yamataium: "It considerably improves protection, but has speed and acceleration reduced by 20%." (Wait, what? Now I have no baseline at all for what these two are being compared to.)
" To cater to several different markets, a variety of these are available to order, ranging from high speed-low drag setups for fast and quick operations, to ultra-heavy armor plating..." (Are you willing to write out the different varieties and prices?)