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CompanyProductsCapabilitiesEvidenceDue diligence
PUBLIC-SOURCE CANDIDATE · AI-ASSISTED DRAFT · HUMAN REVIEW PENDING · NOT A VERIFIED SUPPLIER
HH
China · exact location under review · Discovery candidate — human review pending

Hebei Helipu Fasteners Manufacturing Co., Ltd.

Produces carbon steel and alloy steel fasteners including hex cap screws, carriage bolts, and U-bolts for automotive, agricultural, and infrastructure use. Maintains in-house thread rolling, heat treatment, and zinc-nickel plating lines compliant with ISO 4042 and ASTM B633.

Review research method →Correction or rights request
INDEPENDENT RESEARCH · NOT AFFILIATED, AUTHORIZED OR ENDORSED BY THIS COMPANY
74%candidate score1 reviewed source
Primary productshex cap screws · carriage bolts · U-bolts · grade 8.8 bolts
Research statusDiscovery candidate — human review pending
Location signalChina · exact location under review
Last reviewed01 Sep 2026
HHAuthorized product photography pending
FASTENER SOURCING DESK

Match the standard before the supplier.

Start with the drawing or standard, then confirm material, property class, finish, inspection and packing.

01hex cap screws
02carriage bolts
03U-bolts
04grade 8.8 bolts
TRANSPARENT EVIDENCE MODEL

Trust is measured, not claimed.

These indicators summarize the public material currently attached to this profile. They are research signals—not certification, endorsement or a substitute for a factory audit.

74%profile coverage
Source depth1 source
Visual evidence0 assets
Open due diligence4 questions
BUYER QUICK VIEW

Decide what to inspect next.

The strongest public signals and the most important open question are grouped here so a buyer can qualify this lead without reading the full page first.

COMPANY IDENTITYPublic company identity under reviewExact manufacturing entity requires buyer confirmation
MAIN PRODUCTShex cap screws · carriage bolts · U-bolts · grade 8.8 bolts8 structured product signals
NEXT VERIFICATIONConfirm the legal entity and ownership of the cited websiteNo authorized factory media has been published
RESEARCH LIMITSReview evidence before contacting any companyUnderstand what this profile does and does not prove →
PRODUCT PORTFOLIO

What overseas buyers can source.

Product families are taken from reviewed public material. Exact model, material, standard, tolerance, certification, MOQ and capacity must be confirmed in the quotation.

BUYER DECISION BRIEF

A useful lead,
not a finished decision.

This page deliberately separates positive signals from unanswered questions. Review both before contacting or qualifying a supplier.

BUYER BRIEF

What we know so far

This is an AI-assisted discovery candidate assembled from a public link. The company identity, website ownership and manufacturing claims still require human review before this profile can be treated as verified evidence.

Recommended next checks① Confirm legal entity② Request current certificates③ Approve sample④ Audit production capacity
STRUCTURED CAPABILITY MAP

Products, processes and production signals

01

Products

hex cap screws72% confidence
carriage bolts75% confidence
U-bolts78% confidence
grade 8.8 bolts81% confidence
zinc-nickel plated nuts84% confidence
thread rolling87% confidence
quench & tempering90% confidence
zinc-nickel plating92% confidence
02

Processes

salt spray testing92% confidence
SOURCE LEDGER

Evidence behind this profile

Sources show why a statement appears here. They do not represent our endorsement of the supplier.

01
Candidate public lead

河北海力普紧固件制造有限公司 - 官方网站

This source was collected for research triage. The legal entity, website ownership, manufacturing role and product claims have not yet passed human review.

Open public source ↗
Awaiting human review
DUE DILIGENCE GAP LIST

What still needs verification

We show missing information because an unknown is more useful to a buyer than an unsupported claim.

Independent research only

Use public evidence as a starting point—not an endorsement.

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