濟南塑料袋定制的基本常識2021-12-02
定做塑料袋有很多種樣式,規格分為長度、寬度、測寬度、厚度四個數據;常見的材料有壓聚乙烯材料、聚乙烯材料、乙烯材料等,下面具體介紹一下“定做塑料袋的基本常識及材料”。There are many styles of customized plastic bags. The specifications are divided into four data: length, width, measured width and thickness; Common materials include pressure polyethylene materials, polyethylene materials, ethylene materials, etc. the following is a specific introduction to "basic knowledge and mate
查看全文 >>