air intake system|exhaust system|operating shaft|air filter|diesel filter|hebei yili group co., ltd.-1066vip威尼斯
yili products oem manufacture
hose molding
in hose workshop, there are more than 90 st...
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steel pipe
steel pipe has three layers, both inside and...
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molding
molding is compression molding of the abbrev...
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extrusion
it’s a processing method. refers t...
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