Hello! Welcome to Dongguan Hongbao Electromechanical Technology Co., Ltd. Official website!
2017-02-17
Our company Dongguan Hongbao Electromechanical Technology Co., Ltd. is actively planning and exhibiting at the 31st China International Plastics and Rubber Exhibition from May 16
2017-02-08
The process of gas-assisted injection molding is to inject plastic melt into the mold cavity and then inject compressed gas into the plastic melt. The role of the auxiliary gas,
2016-12-17
The purpose of gas-assisted injection molding is to prevent and eliminate sink marks and shrinkage warpage on the surface of the product, improve the surface properties, and make the surface of the pr
2016-11-30
First, the role of molecular sieve in hollow glass We all know that even if the doors and windows of the past were double-layered, there would be frost in doors and windows in the winter (north).
2016-11-19
(1) Density and specific volume. According to the density of raw materials, specific volume and the volume of the product to determine the feeding chamber structure and size.
2016-10-15
Time: October 13-16 Place: Ningbo International Convention and Exhibition Center The most ideal platform for exhibiting value -EXPO
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