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

Vendor grade distribution

41 vendors · 0 flagged D–E
33
A
0
B
1
C
0
D
0
E
7
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Tianjin Finder Chemical TFC A 6 10.0 9.9 10.0
16 Apr 2026
2 Homopeptide A 5 10.0 9.9 10.0
23 May 2026
3 QYAOBIO A 4 10.0 9.9 10.0
27 Jun 2026
4 Shanghai Wibson Biotechnology A 4 10.0 9.9 10.0
11 Jul 2026
5 PolyPeptide Group A 4 10.0 10.0 10.0
14 Aug 2026
6 Shanghai ERP Biotechnology A 3 10.0 10.0 10.0
26 Apr 2026
7 Shanghai Sigma Audley A 3 10.0 9.9 10.0
12 Jun 2026
8 WuXi TIDES A 3 10.0 9.9 10.0
17 Jun 2026
9 Thermo Fisher Scientific A 3 10.0 10.0 10.0
2 May 2026
10 SinoPep A 3 10.0 10.0 10.0
14 Jul 2026
11 JEEP Peptides A 2 10.0 10.0 10.0
2 Jul 2026
12 Kerui Peptides A 2 10.0 10.0 10.0
5 Jun 2026
13 Flourishglobal Peptide A 2 10.0 10.0 10.0
26 Jun 2026
14 GenScript Peptides A 2 10.0 10.0 10.0
12 Jun 2026
15 AmbioPharm A 2 10.0 10.0 10.0
9 Aug 2026
16 Sangon Bio A 4 9.9 9.9 10.0
3 Jul 2026
17 Bachem A 4 9.9 9.9 10.0
14 Jun 2026
18 Hubei Jianxiang A 4 9.9 9.9 10.0
5 Jul 2026
19 Mokemei Biotechnology A 4 9.9 9.9 10.0
7 Jun 2026
20 Hybio Pharmaceutical A 4 9.9 9.9 10.0
25 Jun 2026
21 Sigma-Aldrich A 4 9.9 9.9 10.0
2 Aug 2026
22 Chinese Peptide Company A 3 9.9 9.9 10.0
28 Jun 2026
23 Asymchem A 3 9.9 9.9 10.0
24 Jun 2026
24 Bulk Peptide Wholesale A 2 9.2 9.2 9.3
25 May 2026
25 Wuhan Wansheng Bio (WWB) A 2 9.1 9.1 9.2
21 May 2026
26 Shanghai Sigma Audley SSA A 7 8.5 6.8 9.2
24 May 2026
27 Qingdao Sigma Chemical QSC A 5 8.4 7.5 9.7
24 May 2026
28 Nantong Guangyuan Chemical GYC A 2 8.3 8.2 8.4
24 May 2026
29 Glbiochem (Shanghai) A 5 8.0 7.4 9.0
23 May 2026
30 Bulk Peptide Supply A 2 8.0 6.7 9.3
24 May 2026
31 Guangzhou Lengiuanhuang Cosmetics X 1 7.5 7.5 7.5
13 Jun 2025
32 HK Peptides A 15 7.1 2.5 10.0
20 May 2026
33 ZZQ Peptides X 1 7.0 7.0 7.0
13 Feb 2025
34 ZLZ Peptide A 14 6.9 3.6 9.5
20 May 2026
35 Hunan Ruiwang Technology Center X 1 6.3 6.3 6.3
28 Mar 2025
36 Simple Peptide A 2 6.0 5.1 6.9
17 May 2026
37 Haikou Mingheng Technology X 1 5.8 5.8 5.8
13 Jun 2025
38 Shaanxi Dideu Medichem X 1 5.6 5.6 5.6
27 Feb 2025
39 Regenerative Research X 1 5.4 5.4 5.4
13 Jun 2025
40 Liberty Peptides X 1 5.3 5.3 5.3
24 Apr 2025
41 Peptides 4 Research C 2 3.1 2.8 3.4
19 Jan 2026