Hot runner systems; also known as hot runner system, mainly by thermal gate sets, hot runner mold factory plastic plate, thermostat electrical box composition. The most common hot runner systems have a single point and multi-point hot runner runner two kinds of forms. Single-point thermal gate is directly injected into the molten plastic cavity hot runner with a single set, it applies to a single gate single cavity plastic mold; multi-point thermal gate hot runner through the plate to melt into each branch Heat and sprue bush and then into the cavity, which applies to single-chamber or multi-cavity mold into the material. Reasonable Choice of plastic mold steel with plastic products used in industry and daily life more widely, mold plastic mold industry demand for steel is also growing. In the plastic molding process, the role of quality assurance of product quality mold is self-evident. Plastic mold currently has precision, large-scale and multi-cavity direction of development, the performance of plastic mold steel increasingly demanding Dongguan plastic mold, mold steel performance should be based on the type of plastic, product use, production volume, dimensional accuracy and surface quality requirements. 1, the impact of selected factors steel abrasive plastic plastic mold parts divided into two categories: one for the structure of plastic injection mold manufacturers, including gating system, guides, top template, top of the organization, the support; the other one for the molded parts include: cavity, core, mosaic pieces. The first part of which may require mechanical parts of the strength and structural design, material generally used in low-carbon steel, alloy steel and carbon steel workers. The molded parts due to the complex structure, requiring high dimensional accuracy of the workpiece surface roughness value is low, the seams good adhesion, mechanical properties, abrasion resistance and mold material processing technology have raised the professional requirements. Plastic injection mold manufacturer, Dalang plastic molds, molds Ltd. Shun King by Liaobu Shun King mold. Liaobu Shun King Mold Ltd. (www.shunjingmuju.com/) strong, credible, in Dongguan, Guangdong mold equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shun King dies and you hand into the brilliant, for a better future!