Some innovative technologies for resins,additives,injection machines and extruders show- cased on the 21~(th) International Exhibition on Plastics and Rubber Industries were introduced.

New extrusion lines, injection machines, blow molding machines and auxiliary equipment showed in the 5 th Asian-Pacific International Plastics & Rubber Industry Expo (AP Plas2002) and the 16 th International Exhibition on Plastics and Rubber Industries(Chinaplas2002) are introduced.

New machines including extrusion lines,injection machines,blow moulding machines,polyurethane foaming equipment,thermoforming machines,etc.

The current micro injection molding machines were classified and evaluate d.

This paper uses a sample to introduce the reliability design of the strength and rigid of the injection molding machine mold.

The molding characteristic and structure of main parts such as injection device,clamp device,zipper strap feeding device,hydraulic pressure system and pneumatic driving system of injection molding machine of POM zipper with multicolor and assorted color were introduced simply,and the application and improvement of the machine were summarized.

Use silica as filler,through grinding and packaging process,a high transparency and high strength liquid injection silicone rubber used for medicine was produced.

The maximum tensile strength of composite by dynamic injection molding is increased by 11.

Taguchi method was used to optimize the processing parameters of mold filling of dynamic injection molding and explore the relationship between processing conditions and the physical properties of isotactic polypropylene.

The flow behavior of polymer in the cylindrical runner under the field of the axial vibration force during the course of electromagnetic dynamic injection molding was studied.

Key technique and equipment on colloidal injection moulding of high reliability ceramic;