| Region | Telephone # | Email Address |
| United States - Charlotte | 1+(704) 331-7816 (International) | archroma.services@clariant.com |
| United States - Charlotte | 1+ (888) 705-4536 (USA Only) | archroma.services@clariant.com |
| China - Guangzhou | 0086 20-2820-2257 | archroma.china@clariant.com |
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