DOU TAI

DOU TAI supplies research peptides, OEM coordination, and wholesale support services for qualified business partners.

Best for Laboratories and wholesale distributors

Insufficient evidence to rank 20% evidence coverage Visit Supplier

Company Overview

The site states that DOU TAI operates as a research peptide supplier providing wholesale support, OEM coordination, and international logistics for qualified business partners. The company's offerings are aimed at research laboratories, global distributors, biotechnology companies, and OEM partners. According to the platform, the product catalog features various peptide categories, including GLP-1, growth hormone, recovery and repair, neurological, and cosmetic research peptides.

The site indicates that batch and product quality documentation is available upon request for qualified inquiries. The purchasing workflow involves submitting an inquiry with product requirements, reviewing specifications and quotations, coordinating packaging and documentation, and arranging worldwide delivery through the company's sales team. However, the site does not disclose public pricing, minimum order quantities, or specific third-party testing laboratories. Buyers must contact the sales team directly to clarify pricing structures and exact shipping terms.

Pros
  • Comprehensive product catalog covering multiple peptide categories such as GLP-1 and growth hormone research peptides.
  • Dedicated OEM and private label packaging coordination services.
  • Available batch and product quality documentation for qualified inquiries.
Considerations
  • No public pricing or catalog price lists disclosed on the website.
  • Minimum order quantities are unstated.
  • No named third-party testing laboratories disclosed for batch verification.
  • Physical company location is not stated.

Score Breakdown

Not currently ranked. We hold suppliers out of the numbered rankings until enough of the rubric has been verified, so that missing information can never work in a supplier's favour:
  • overall evidence coverage 20% (needs 60%)
  • Testing & Documentation 22% verified (needs 60%)
The dimension scores below reflect only what we were able to verify.

Overall score is calculated from these seven dimensions using the house weighting, and each dimension is calculated from the verified criteria beneath it. Open a dimension to see every criterion, its verified state, the source it was verified from and the date it was checked. Comparison pages may re-weight the dimensions for buyer intent.

Testing & Documentation 25%
Not assessed
  • ?Independent third-party testingNot confirmed
  • ?Batch-specific certificates of analysisNot confirmed
  • ?COAs publicly accessibleNot confirmed
  • ?HPLC purity results publishedNot confirmed
  • ?Mass spectrometry / identity verificationNot confirmed
  • ?Testing laboratory named or identifiableNot confirmed
  • ✓Lot / batch traceabilitySource: fdpbio.com/pages/about-us · checked 2026-09-08Verified
  • ✓Documentation package available to wholesale buyersSource: fdpbio.com/ · checked 2026-09-08Verified

Too little of this dimension could be verified to publish a score, so it is excluded from the overall and the other weights are rebalanced.

Business Transparency 20%
Not assessed
  • ?Registered business entity namedNot confirmed
  • ?Verifiable physical addressNot confirmed
  • ?Named team, ownership or leadershipNot confirmed
  • ✓Direct contact email or phone, not a form onlySource: fdpbio.com/pages/request-wholesale-quote · checked 2026-09-08Verified
  • ?Published terms, shipping and returns policiesNot confirmed
  • ?Operating or shipping jurisdictions disclosedNot confirmed
  • ?Business registration independently verifiableNot confirmed
  • ?Manufacturing or sourcing origin statedNot confirmed

Too little of this dimension could be verified to publish a score, so it is excluded from the overall and the other weights are rebalanced.

Wholesale Capabilities 15%
10.0

11 of 11 verified points met → 10.0/10. Items shown as not confirmed are excluded from both sides of that calculation.

Manufacturing Capabilities 15%
Not assessed
  • ?In-house synthesis rather than resale onlyNot confirmed
  • ?Manufacturing facility or partner disclosedNot confirmed
  • ?Stated quality system (cGMP, ISO or equivalent)Not confirmed
  • ?Custom sequence synthesis offeredNot confirmed
  • ?Selectable purity gradesNot confirmed
  • ?Stated production scale rangeNot confirmed
  • ?Lyophilisation / fill-finish capabilityNot confirmed
  • ?Stability or storage data publishedNot confirmed

Too little of this dimension could be verified to publish a score, so it is excluded from the overall and the other weights are rebalanced.

Commercial Purchasing 10%
Not assessed
  • ?Business account application or approvalNot confirmed
  • ?Quotes and purchase orders supportedNot confirmed
  • ?Account-level or contract pricingNot confirmed
  • ?Multiple business payment methodsNot confirmed
  • ?Formal invoicing and documentationNot confirmed
  • ?Named contact or account managerNot confirmed
  • ?Repeat-order or standing-order supportNot confirmed
  • ?Payment terms available to approved accountsNot confirmed

Too little of this dimension could be verified to publish a score, so it is excluded from the overall and the other weights are rebalanced.

Fulfillment & Logistics 10%
Not assessed
  • ?Domestic shipping with stated timeframesNot confirmed
  • ✓International shippingSource: fdpbio.com/ · checked 2026-09-08Verified
  • ?Cold-chain or temperature-controlled shippingNot confirmed
  • ?Lead times publishedNot confirmed
  • ?Order tracking providedNot confirmed
  • ?Stock or availability visible before orderingNot confirmed
  • ?Stated packaging and handling standardsNot confirmed
  • ?Documented returns or discrepancy processNot confirmed

Too little of this dimension could be verified to publish a score, so it is excluded from the overall and the other weights are rebalanced.

Website / Buyer Experience 5%
Not assessed
  • ✓Secure, working site with no broken commerce pathsSource: fdpbio.com/ · checked 2026-09-08Verified
  • ?Usable on mobileNot confirmed
  • ?Product pages with specification detailNot confirmed
  • ?Search and filtering across the catalogueNot confirmed
  • ?COAs reachable in a few clicksNot confirmed
  • ?Pricing visible or obtainable without frictionNot confirmed
  • ✓Clear path to the wholesale or B2B routeSource: fdpbio.com/pages/oem-wholesale · checked 2026-09-08Verified
  • ✓Visible support channelsSource: fdpbio.com/pages/contact · checked 2026-09-08Verified

Too little of this dimension could be verified to publish a score, so it is excluded from the overall and the other weights are rebalanced.

Rubric score 10.0 across the 20% of the rubric verified so far, adjusted for evidence coverage to a published score of 7.6. How this is calculated

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