For questions about specifications, lot documentation, orders, or shipping:
Email
support@hmdscientific.com — orders, shipping, and documentation
compliance@hmdscientific.com — complaints and disputes
Telephone
(424) 407-1871
Monday–Friday, 9:00–17:00 Pacific
We respond to enquiries within one business day.
HMD Scientific LLC
808 Wilshire Blvd, Suite 200
Santa Monica, CA 90401
United States