Jess Gui

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How to calculate the t shirt bag cost?

By |August 19th, 2016|Categories: Uncategorized|

Plastic bag bost= length*width*layers*thickness*proportion*price per kilogram. For example: there is double layer 40cm length, 30cm width, 0.04mm thickness PP material bag, the PP material price is 14600 RMB per [...]

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