daim ntawv galvanized
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Cov ntawv galvanized
Cov phaj hlau galvanized yog coated nrog ib txheej ntawm cov hlau zinc los tiv thaiv cov hlau phaj nto los ntawm corrosion thiab ntev nws lub neej kev pab.
Cov phaj hlau galvanized yog coated nrog ib txheej ntawm cov hlau zinc los tiv thaiv cov hlau phaj nto los ntawm corrosion thiab ntev nws lub neej kev pab.