Haochen has its own after-sales service team in the coastal and inland areas, which can provide us with one-on-one thoughtful maintenance services and user training, so that we have no worries after purchasing the hot runner series products. Haochen has professional mold flow analysis and thermal balance analysis, which can provide us with professional mold technology and comprehensive support for plastic products, improving our efficiency and reducing our costs. We are very satisfied with working with Haochen.