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DAFENG INDUSTIAL PARK,Zhoushan,Zhejiang,China China
Personne àcontacter Ms. Fiona zhang
Nom de la société DAFENG INDUSTIAL PARK, Zhoushan, Zhejiang
1.extruder screw and barrel 2.material:high-quality alloy-steel 3.processed to drawing or your request
screw and barrel . Material: Alloy-steel of high-quality 1)38 CrMoAIA(JIS SACM645) Heat-treatment Nitridi
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