Want Alternative for Hexavalent Chrome Passivation on Continuous Galvanizing Line

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I want to ask about the alternatives for Hexavalent Chrome Passivations and suitable for contuinous galvanizing lines ?

Mohamed Morsi
- Cairo, Egypt

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I want to see a list of current letters where public replies are welcomed.; My company is a supporting advertiser at finishing.com and we want the contact information to reach the inquirer privately.
: Post a new question on a different subject.