PDCA work cycle concept

In daily work, any work cycle can be divided into four stages: planning, execution, inspection, and summary. Applying this work sequence loop to quality management work is called the PDCA work cycle. There are eight steps in this work cycle, as shown in Figure

铱 refining

Including pure iridium compound prepared is reduced to metal and calcined in two steps.
1. The preparation of pure hydrazine compound has nitroso complexation, sulfurization and extraction m

Precious metal environmental material

Metal compound widely used in catalytic plating, pharmaceuticals, fine chemicals, photosensitive material, sensitive element, chemical materials and the like. At present, after long-term research and practice, our company has formed