Present status and development direction of coalmine safety technology in China;

Environmental protection technology and development direction for PVC resin production by carbide process;

Discussion on development direction of compound fertilizer in China;

A probe into the developing direction of soybean further process in our country;

Technology Advancement and Developing Direction of Tire Standardized Sulfurated Machine ——technology advancement and developing direction of tire machinery (first part);

Current status and developing direction of Chinese traditional drug pharmacovigilance;

Researching State and Development of Magnetic Barkhausen Noise in Measurement of Residual Stress;

The Development of Coal-tar Industry of Our Country;

Present status and development trends in power quality monitoring;

Innovation achievement and development trend of Chinese rice wine;

Review on the technologies of casing and its development trend;

The current situation and development trend of domestic PVC industry;

Characteristics of modern men s parallel bar and its developing trend;

The author also pens up before our eyes the international market, Chinese EMD market and its developing trend, including the analysis of the supply and demand market and future prospects.

The current situation and developing trend of laser welding research work in the world is discussed with an emphasis on the laser welding equipments, laser welding processes, its theoretical basis, and the detection and control of laser welding quality.