By use of copper ash as raw material, a new method for direct production of cuprous chloride is introduced. The process conditions affecting on recovery of cuprous chloride are discussed.

Though China is the largest production and export country of textiles and garment, the entry method to international market is relatively simplistic, with direct export and OEM as the main ways.

The production technologies of phenol are briefly introduced, i. e. method based on cumin, toluene-benzoic acid based method, and direct oxidation of benzene.