The Thunder Dragon intelligent lathe's core precision parts were the pure titanium parts he had processed in the competition with Sylvia. Its precision required 0.001 microns. So far, it was still impossible to achieve such precision. Only Xia Lei was capable of such a feat in the entire world. This super precise part was currently on a small intelligent lathe which was located on the Gust assault rifle production line. Xia Lei had made it smaller.

Without this super-precision core part, the 500 ton Thunder Dragon lathe would become a pile of useless metal. However, Xia Lei did not just give up. He did some "minor" changes in all of the control programs which he had designed...

Xia Lei came out of the Thunder Dragon workshop half an hour later.

"Sylvia, you're done already?" asked a guard with a smile.

"It's actually nothing. It was just a simple job," Xia Lei replied. His voice had turned into a soft and enchanting...