任丘市精成硬质合金制品有限公司
Exhibit Profile：
Hard alloy valve core valve sleeve Hard alloy nozzle tungsten steel fittings petroleum equipment tungsten wear ring tungsten steel seal screw pump shaft tungsten steel flow limiting ring tungsten steel anti-impact sleeve tungsten steel guide sleeve tungsten steel anti-impact cover tungsten steel stator tungsten steel rotor
Hard alloy valve core valve sleeve Hard alloy nozzle tungsten steel fittings petroleum equipment tungsten wear ring tungsten steel seal screw pump shaft tungsten steel flow limiting ring tungsten steel anti-impact sleeve tungsten steel guide sleeve tungsten steel anti-impact cover tungsten steel stator tungsten steel rotor
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