Hangzhou Rayshine Biotech Co Peptides Review

Hangzhou Rayshine Biotech Co sells to businesses rather than direct to researchers and operates from China. The site says it has traded since 2013. It lists 7 products, including Melanotan II, Oxytocin, Retatrutide, Cagrilintide, and Semaglutide. It also produces and labels to order, so stock sold under other brand names may come from here.

In its own words: “Plamed Green Science Group is a high-tech enterprises dedicated to extraction of natural plant active ingredients and research of product formulation. Founded in 2013, the company is located in Gazelle valley, pioneering R&D park, No.69 Jinye Road, Xi’an, China. In 2015, Plamed, as the secretary general enterprise of Shaanxi Plant Extract Association, has served two consecutive terms.”

We found no test results or certificates anywhere on Hangzhou Rayshine Biotech Co's site.

No prices are published. You have to ask before you can compare cost against another supplier.

Worth knowing before you order: no published COAs and no research-use-only notice. We found no certificates of analysis or third-party test results anywhere on the site.

Site check: 7 products listed; operates from China.

Hangzhou Rayshine Biotech Co is listed as active. Tracked by Finnrick. No test data available yet.

The record for Hangzhou Rayshine Biotech Co

What we found

• No published COAs. We found no certificates of analysis or third-party test results anywhere on the site. source
• No research-use-only notice. We found no research-use-only or not-for-human-consumption disclaimer on the site. source
• No public pricing. None of the 7 catalogue entries carry a price. Buyers have to make contact and request a quote, so cost cannot be compared against other suppliers without an enquiry. source
• No online checkout. There is no shopping cart or checkout. Orders are arranged by message and paid off-platform, so there is no order record or dispute process built into the site. source
• White-label supplier. Offers custom labelling or custom production to order, which means product sold under other brand names may originate here. source
• Operates from China. Evidence: Site copy references China; Lists a mainland China (+86) contact number. source

Ordering and payment

Card payments

Not accepted

Cryptocurrency

Not accepted

Online checkout

Not available

Returns and guarantees

Returns

Rayshine has pioneered three-heart theories: Make the customer unworried, secure and relieved. Fewer mistakes and taking ten and more steps to exchange customers fewer steps is free from worry; Being honest and responsible is relieved; No fake and inferior products is secure.

Company details

Also known as

peptide, tirzepatide, retatrutide, cagrilintide, semaglutide, MT2

Trading since

2013

Operates from

China

Basis for location

Site copy references China; Lists a mainland China (+86) contact number

Contact channels

Phone

0086-18806520361, +86-18806520361, +08618806520361, +86 18806520361

Contact page

https://www.rayshinebio.com/contact.html

Testing and certificates

Products listed

7

How we checked

These details were read from Hangzhou Rayshine Biotech Co's own website on 2026-08-17. Pages consulted:

• home
• about
• catalog
• catalog
• catalog
• contact

Products listed by this vendor

• Melanotan II(Cas:121062-08-6) (Melanotan II)
• Atosiban Acetate(Cas:90779-69-4)
• Oxytocin(Cas:50-56-6) (Oxytocin)
• Retatrutide(Cas:2381089-83-2) (Retatrutide)
• Cagrilintide(Cas:1415456-99-3) (Cagrilintide)
• Semaglutide (Semaglutide)
• Tizepatide

Frequently asked questions

Is Hangzhou Rayshine Biotech Co legit?

We hold no independent testing, published certificates, or ratings for Hangzhou Rayshine Biotech Co, so we cannot tell you whether it is legitimate. That is an absence of evidence, not evidence of a scam — it means nobody has tested it.

Has Hangzhou Rayshine Biotech Co been lab tested?

We hold no independent third-party assays for Hangzhou Rayshine Biotech Co. Any purity figure it publishes is self-reported unless it names the lab that produced it.

Where does Hangzhou Rayshine Biotech Co ship from?

Hangzhou Rayshine Biotech Co ships from China.

Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.

Other reviewed vendors: Hangzhou Youngpeptide Biotechnology HYB Review, Hanpro Peptide Review, Happy Peptides Review.