Abstract: Based on the comprehensive analysis on the plastic parts structure service requirement, mounding quality and mould menu factoring cost. A corresponding injection mould of internal side core pulling was designed. By adopting the multi-direction and multi-combination core-pulling. A corresponding injection mould of internal side core pulling was designed, the working process of the mould was introduced成都芙蓉古城策划文案哪里才有好空气空气清新的“芙蓉古城”钢筋水泥林立的都市中，要找到清新的空气实在不容易。成都也是这样，虽然这里的工
