SeqLine Bio · Company identity
Company identity
Who SeqLine Bio is, and how to confirm you are dealing with us.
This page sets out the facts about SeqLine Bio that a buyer can check, the channels we use, and what to do if something claiming to be SeqLine Bio does not match them.
Who we are
The facts you can check.
| Brand | SeqLine Bio |
|---|---|
| What we do | Research peptide manufacturing: raw powder, lyophilized vials and private-label supply for B2B buyers |
| Location | Science City International Business Incubator Industrial Park, Huangpu District, Guangzhou, China |
| Website | seqline.bio |
| [email protected] | |
| Who we sell to | Qualified B2B buyers, for research use only |
| Batch records | Public COA library |
How SeqLine Bio operates
One team, one set of channels.
SeqLine Bio has its own sales team, its own pricing and terms, and its own public COA library. Quotations, orders, customer communication and after-sales support for SeqLine Bio are handled only by the SeqLine Bio team, through this website and the channels listed below.
Every quotation names the contracting entity and the payee. Check that they match the invoice and the payment instruction before you pay.
Official channels
Where SeqLine Bio talks to buyers.
SeqLine Bio only communicates through:
- the website seqline.bio and its quote cart and RFQ form
- email from addresses ending in @seqline.bio
- the WhatsApp numbers reached through the WhatsApp buttons on seqline.bio
- articles published on our Medium blog, seqlinebio.medium.com
- our newsletter on Substack, seqlinebio.substack.com
- public batch records on our GitHub, github.com/seqline-bio
We do not sell through marketplaces, social-media shops or third-party resellers using the SeqLine Bio name. SeqLine Bio is responsible only for content, products and quotations published or sent through these channels.
If something does not match
Check before you pay.
If you receive a quotation, invoice, product listing or payment request that claims to come from SeqLine Bio but does not come through the channels above, do not pay. Forward it to [email protected] and we will confirm within 4 business hours whether it is ours.
Buyers should not send payment to a personal account, or to an account introduced only through an informal chat message.
How to verify us
Pages to check.
- Company fact sheet: address, contact details and what we do and do not provide
- Public COA library: every published lot, with HPLC purity, MS identity and test dates
- Supplier verification: what is public, which documents follow an RFQ, and a buyer checklist
FAQ
Questions about SeqLine Bio.
Who operates SeqLine Bio?
SeqLine Bio is a research peptide manufacturer based in Science City, Huangpu District, Guangzhou. The contracting entity for each order is named on the quotation.
How do I know I am talking to the real SeqLine Bio?
Check that the conversation started on seqline.bio, or that emails come from an @seqline.bio address. If in doubt, email [email protected] and we will confirm.
I found a similar website or product description elsewhere. Is it SeqLine Bio?
Only seqline.bio and the channels listed on this page are SeqLine Bio. We cannot speak for other websites. If one uses the SeqLine Bio name, logo or COA records, please tell us.
How do I report misuse of the SeqLine Bio name?
Email [email protected] with the link or a screenshot.
Last reviewed 2026-10-25