The process improvement of slime treatment in Nantong Coal Preparation Plant;

Approach to process improvement based on process failure knowledge and its implementation;

Fracture analysis and process improvement on industry pump crankshaft;

Due to the technical improvement,production efficiency is increased,and at the same time,significant economic benefit is obtained.

According to producing practice,it must be carried through the technology reformation to adapt its special particularity,and satisfies the need of production.