Scam
Scam. After I transferred money, they sent me a fake USP tracking code. They don't reply to my messages anymore
Sd Sysb Guidechem (sd-sysb.guidechem.com) has a 1.0 out of 5 rating on OK.one, based on 1 user reviews collected here. It is listed under Health & Medical and its reputation is poor. 100% of reviews are 1 star, a relatively high share; The business has not yet replied to negative reviews. Last updated 2026-10-25.
Scam. After I transferred money, they sent me a fake USP tracking code. They don't reply to my messages anymore
1 review matching