📁 材料
Materials are the raw stuff used in manufacturing and industry.Some examples are steel, fibers, glass, and plastics.This category lists manufacturers and distributors of raw materials.
子分类
条目 (20+)
ITCF. Institute for Textile Chemistry and Chemical Fibers Denkendorf
http://www.itcf-denkendorf.de/
SAMPE. Society for the Advancement of Materials and Process Engineering
http://www.sampe.org/