It was found that content of heavy constituent of tea-tree oil produced by small-scale perfumer oil production device was below 5 %,which indicated that boiling point of heavy constituents in the oil is too high to be distilled under normal pressure.

Development direction of general purpose rubber, special elastomer, thermoplastic elastomer and so on, development trends of multifunctional production plants and metalloce.

The survey shows that grease production plants of large, medium and small size are concurrently existing in China's market, but most of them are of medium or small capacity.

By combining the features of high danger and wide impact in petrochemical industry,the design of risk management system for production installation in petrochemical enterprises and its process flow are primarily explored according to the principle of risk management.

According to the hazardous analysis of phosgene, phosgene production process and materials in this process, typical accidents occurring in the phosgenation production installation are leakage through pipelines of phosgene and chlorine.

The present development of Japanese production equipment for clean white rice was overviewed.

A temperature supervisory system design for F22 production equipment is introduced in this paper .

The application of Micro TDC-3000/HPM in the production facility of chlorate;

The optimization of spare parts stock for PVC production facility;