To expedite your orders quickly and efficiently, please email a copy of your sales tax exemption certificate and W9 to: info@onestopchemicalshop.com. Orders will not be shipped until these documents have been uploaded in our system.

Sales Policies:

How to Place an Order:

Returns & Exchanges

Returns & exchanges can be requested within 30 days of delivery. Any returns without prior authorization will not be issued credit. Only unused items, suitable for resale will be accepted. A restocking fee of 25% plus freight charges applies for all returns and will be deducted from your refund.