Improved material-feeding unit: it's hard to evenly and quickly feed material into the moldingbox, and influences production quality and efficiency.
强制加料装置：由于传统的加料方式难以将材料均匀快速地加入模箱内，影响了制品的品质和生产效率。
2
Sand molds for the production of small and medium-sized castings are made in a moldingbox. The mold is made in two or more parts in order that the pattern may be removed.
中小型尺寸的铸件砂型是在一个砂箱中制造，砂型由两部分或更多部分组成，以利于模型的顺利取出。
3
"New" gear shell, toolbox (blow moldingbox) — adopt new raw material production, different from other similar products used by old and new raw material mix manufacture tradition.