Cell Phone Protective Cases Wa0022015-11-6
PU, one of artifical leather, the best subsititution of PVC.
Features:
a.ofter than PVC
b.ore like real leather
c.ardly to become brittle &...
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Route 7 Eva Bike Case Bi0022015-11-6
MATERIAL SELECTION INTRODUCTION
1.FILLER
Nylon, the material is invented by ourstanding US scientist Carothers and his team, it's not only the first synthetic...
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