Peptides synthesised, assayed
and shipped by the people who make them
科
Kerui Peptides (珠海) is a factory, not a reseller. 350+ research compounds are synthesised in-house, purity-assayed by four independent laboratories, and despatched worldwide from our Zhuhai facility.
- Catalogue
- 350+ compounds
- Assay purity
- 99.5%+ HPLC / MS
- Laboratories
- 4 independent
- Despatch
- 24h from Zhuhai
How a Kerui order runs
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01
Order placed
Checkout on-site. Card, bank transfer or crypto (−10%).
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02
Pulled & assayed
Stock pulled from the Zhuhai cold room; batch COA attached.
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03
Despatched
Discreet packaging, tracking number issued within 24 hours.
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04
In transit
7–15 days standard, or priority express worldwide.
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05
Guaranteed
Seized, lost or damaged — we reship or refund. No returns asked.
Inside the plant
We do not grade our own homework
Batch COAs, all 328 of them
Every product ships against a certificate of analysis — RP-HPLC purity and mass-spec identity, published in full. Nothing is summarised for you.
Open the report libraryPeptideMeter verified vendor
Independently ranked with published purity results and buyer ratings on the PeptideMeter marketplace.
View our profileMedutest accredited testing
RP-HPLC purity, ICP-MS heavy metals, endotoxin and sterility — run by an accredited analytical house on our production batches.
View reportsVendorInvestigate blind buys
Samples bought anonymously from our own storefront, tested, and published as public case files. As advertised.
Read the case filesEverything buyers ask us
Zhuhai Kerui Biotechnology Co., Ltd. (KP) is a direct manufacturer and exporter based in Zhuhai, Guangdong, established in 2016. We synthesise and supply 350+ research-grade compounds — peptides, SARMs, injectable oils, oral tablets and raw materials. Every batch carries an independent certificate of analysis, and we are a PeptideMeter verified vendor with profiles on CompoundTalk and The GLP Lounge.
Orders are placed on this site. Browse the catalogue, add to cart and check out with your shipping details. We accept Visa, Mastercard, Apple Pay, Google Pay, Revolut, bank transfer, or cryptocurrency (BTC, ETH, USDT, USDC, SOL, XRP, BNB) — crypto orders receive 10% off. Questions before you buy? Email us and a real person replies, usually within minutes.
Standard — $25 worldwide: fully tracked, 7–15 business days from our Zhuhai warehouse, discreet packaging, every country served.
Express Priority — $50: tracked via USPS Priority Express (US), Royal Mail Special Delivery (UK), DHL Express (EU) and equivalent priority couriers elsewhere.
Cards (Visa, Mastercard), Apple Pay, Google Pay, Revolut and bank transfer through a PCI-compliant processor — you are charged the exact USD total shown, like any normal online purchase. We also take cryptocurrency (BTC, ETH, USDT, USDC, SOL, XRP, BNB) at 10% off. Payments run over 256-bit encrypted channels and we never store card details.
Four independent laboratories assay our batches — RP-HPLC purity plus mass-spec identity, and where relevant ICP-MS heavy metals, endotoxin and sterility. Results land consistently at 99.5%+ purity, and all 328 test reports are published in full in our report library — including the ones nobody asked to see. We are also a PeptideMeter verified vendor.
Yes — automatic per-product volume breaks (shown on each product card) stack with our factory-direct tiers:
• $500+ — 5% off + free express shipping
• $1,000+ — 10% off
• $2,500+ — 20% off
• $10,000+ — 50% off
Institutional, wholesale and OEM pricing: email us for a quote.
You are covered by a 100% delivery guarantee:
• Customs seizure — we reship as soon as you send the seizure letter
• Lost in transit — no tracking movement for 30+ days means a free reship or a full refund
• Damaged on arrival — replacement shipped at our expense
The risk of shipping is ours, not yours.
We do. Custom formulations, dosing, packaging and labelling are all available on bulk runs — we are the plant, so the line is ours to schedule. Email us with your specification and we will quote it.
Email info@keruipeptides.com — pre-sale questions, order tracking and post-delivery support all go to the same inbox, and replies are usually back within minutes.
We never ask for a product back. If something is wrong, choose one: a full refund to your original payment method, a free replacement at our cost, or store credit at 110% of what you paid. Claims are open for 60 days from the order date and usually need nothing more than a photo.