Home Vendors Products Insights Red Flags About Methodology FAQ Free Test Verify Batch Vendor Support

Vendor grade distribution

45 vendors · 0 flagged D–E
32
A
0
B
0
C
0
D
0
E
13
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Sangon Bio A 4 10.0 9.9 10.0
3 Jul 2026
2 QYAOBIO A 4 10.0 10.0 10.0
27 May 2026
3 Bachem A 4 10.0 10.0 10.0
26 Mar 2026
4 Kerui Peptides A 4 10.0 9.9 10.0
10 Jul 2026
5 AmbioPharm A 4 10.0 10.0 10.0
20 Aug 2026
6 JEEP Peptides A 3 10.0 10.0 10.0
25 Jun 2026
7 Sigma-Aldrich A 3 10.0 9.9 10.0
18 Jul 2026
8 Homopeptide A 7 9.9 9.9 10.0
21 May 2026
9 Tianjin Finder Chemical TFC A 6 9.9 9.9 10.0
16 Apr 2026
10 Hubei Jianxiang A 4 9.9 9.9 10.0
21 Jun 2026
11 WuXi TIDES A 4 9.9 9.9 10.0
25 Jun 2026
12 Thermo Fisher Scientific A 4 9.9 9.9 10.0
6 Aug 2026
13 Shanghai ERP Biotechnology A 3 9.9 9.9 10.0
16 Jun 2026
14 SinoPep A 3 9.9 9.9 10.0
3 Aug 2026
15 Mokemei Biotechnology A 2 9.9 9.9 10.0
13 Jun 2026
16 Flourishglobal Peptide A 2 9.9 9.9 10.0
20 May 2026
17 Shanghai Wibson Biotechnology A 2 9.9 9.9 10.0
13 Jan 2026
18 Chinese Peptide Company A 2 9.9 9.9 10.0
3 Jul 2026
19 Shanghai Sigma Audley A 2 9.9 9.9 9.9
14 Jun 2026
20 Hybio Pharmaceutical A 2 9.9 9.9 10.0
15 May 2026
21 GenScript Peptides A 2 9.9 9.9 10.0
14 Jul 2026
22 PolyPeptide Group A 2 9.9 9.9 9.9
15 Aug 2026
23 Asymchem A 2 9.9 9.9 9.9
19 Aug 2026
24 Glbiochem (Shanghai) A 5 8.9 7.9 9.7
25 May 2026
25 Qingdao Sigma Chemical QSC A 3 8.6 8.1 9.6
24 May 2026
26 Nantong Guangyuan Chemical GYC A 8 8.5 6.5 9.5
23 May 2026
27 Wuhan Wansheng Bio (WWB) A 6 8.5 7.0 9.9
25 May 2026
28 Shanghai Sigma Audley SSA A 7 7.7 6.0 8.5
24 May 2026
29 Shenzhen Loga Tech LG LOGA X 1 8.1 8.1 8.1
16 Mar 2025
30 Hangzhou Youngpeptide Biotechnology HYB X 1 8.0 8.0 8.0
11 Jun 2025
31 Shanghai Leader Peptide Biotechnology X 1 8.0 8.0 8.0
11 Jun 2025
32 Quenna PMQ X 1 7.7 7.7 7.7
16 Mar 2025
33 Lisa Biopeptide X 1 7.7 7.7 7.7
9 Jun 2025
34 Nuscience Peptides X 1 7.4 7.4 7.4
6 May 2025
35 Xingtai Lesda Technology X 1 7.2 7.2 7.2
6 May 2025
36 Dankang BioHealth X 1 7.0 7.0 7.0
9 Jun 2025
37 Suaway Lab Research A 2 6.7 6.6 6.7
24 May 2026
38 Tianjin Ruiwang New Material Technology Co A 8 6.6 5.2 8.5
23 May 2026
39 Planet Peptide A 4 6.6 5.5 7.6
17 May 2026
40 PeptiSlim X 1 5.7 5.7 5.7
3 Jun 2025
41 Top Peptide X 1 5.1 5.1 5.1
2 Apr 2025
42 Qingdao Saber Technology Pharma QST X 1 4.6 4.6 4.6
6 May 2025
43 UWA Elite Peptides X 1 4.3 4.3 4.3
14 Jan 2025
44 Deuschem A 2 3.0 1.2 4.7
17 May 2026
45 PepLab Solutions X 1 1.6 1.6 1.6
3 Jul 2025