Elena Fedorov

Member since Aug 2026

2 Reviews

2.5 Avg Rating

50% Positive

Reviews by Elena Fedorov

Real customer experiences and verified feedback.

All 2 4 ★ 1 1 ★ 1

Coolmathgames

★ 1.6

coolmathgames.org.uk

4.0 ★

2 weeks ago

Service experience

Researched this gaming portal for cool math games. Library educational and loads quickly, ads moderate.

Positive Experience educational library fast loading moderate ads cool math games gaming portal

Full Review

Coolmathgames

Research-chemonline

★ 3.5

research-chemonline.com

1.0 ★

3 weeks ago

research-chemonline experience

Urgent warning regarding this research chemical vendor. Order arrived in packaging lacking basic hazard documentation entirely, no purity data, no batch traceability, just labelled vials of unverifiable content. When certificates were requested, documents arrived containing analytical values identical across different compounds, statistically impossible and obviously fabricated. Independent testing of one sample showed contents did not match labelling. The entire purchasing model transfers maximum health risk onto buyers with zero accountability. Multiple certified laboratory suppliers exist domestically. There is no defensible reason to accept these documentation gaps for any application.

Critical Review lack of documentation fabricated certificates mislabeled contents health risks unreliable vendor

Full Review

Research-chemonline

2.5

Based on 2 reviews

5 ★

0 4 ★

1 3 ★

0 2 ★

0 1 ★