18 求购

最新国际求购:乙醛,acetaldehyde wanted
acetaldehyde wanteddear sir or madam, i want high purity acetaldehyde (=99.5%, 100 tons/month). please contact mr. guan at 1390-869-9477.7182 coronado dr. , san jose, california, united statescontact person mr. jun chengtelephone 1-408-8074838fax 1-408-2661587

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