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Evidence library

Quality documents and company credentials

Documents are grouped by issuing party and purpose so buyers can distinguish company certifications, product testing and supplier batch inspection records.

Find the right document

Public records and documents available by request
Document / grade Available here Scope / next step
Company management systems ISO certificate records Company-system scope; not product or application approval.
Standard-type PCE test 2024 report scans Historical tested sample; request current grade evidence separately.
EPEG-3000 · E240422-4 Supplier batch PDF Report dated 22 April 2024; named upstream batch only.
HPEG-2400H · H240418-6 Supplier batch PDF Report dated 19 April 2024; named upstream batch only.
TPEG-2400 · T240506-2 Supplier batch PDF Report dated 7 May 2024; does not certify TPEG-3000.
Current grade TDS / SDS Request documents Identify the exact grade, destination and required revision.
Shipment COA Request batch confirmation Match the actual order and lot; a historical example is not shipment evidence.

For a new supplier or grade, compare identity and document scope before comparing numbers. The monomer COA checklist explains the questions to ask.

Management-system certificates

ISO management-system certificates identify Huahai Feifei (Hebei) Concrete Admixture Co., Ltd.. They certify the stated management-system scope; they are not product certifications.

Current product-document workflow

Request the document set for the selected grade

Product documents are released by product, grade and available version. A company certificate, a historical test report and an upstream supplier batch report do not replace the current product TDS, SDS or order-specific COA.

Current TDS

Confirm the selected grade, revision and applicable technical limits.

SDS

Request the current safety document before handling, storage or transport planning.

Batch COA

Confirm batch-specific acceptance values with the commercial order.

Test evidence

Use only evidence that identifies the sample, method, date and issuing party.

Request current documents →

Independent test report

2024 standard-type PCE test report

Hebei Academy of Building Research Co., Ltd. issued report 冀建检(化)2024-03129 for a standard-type polycarboxylate high-performance water-reducing admixture submitted by Huahai Feifei.

Water-reduction rate 29% (requirement ≥25%)
1-hour slump loss 20 mm (requirement ≤80 mm)
Air content 4.1% (requirement ≤6.0%)
Compressive-strength ratio 1d 180%; 3d 164%; 7d 159%; 28d 148%
28-day shrinkage ratio 93% (requirement ≤110%)

Results apply to the tested sample and test conditions; they are not a guarantee for every current grade or concrete mix.

Review the report pages →
2024 PCE test report cover

Patent record

Invention patent registration record

The supplied three-page registration record covers invention patent ZL201710260451.2 and records the transfer of the patent right to Huahai Feifei (Hebei) Concrete Admixture Co., Ltd. on 26 May 2022.

Patent registration record page 1 Patent registration record page 2 Patent registration record page 3

The scans are presented as ownership/registration evidence. Product performance claims must still be supported by the applicable current specification and test data.

Environmental records

Environmental registration materials

Four supplied pages relating to fixed-source environmental registration are retained in the evidence library. Buyers may request full-size copies for due-diligence review.

Representative supplier batch reports

These PDFs were issued by Lianyungang Petrochemical Co., Ltd. for individual EPEG, HPEG and TPEG batches. They are supplier batch inspection records—not Huahai Feifei certificates and not independent third-party product certifications.

Document interpretation

Company certificate

Confirms a management system and stated organizational scope.

Product test report

Reports results for the submitted sample under stated test conditions.

Supplier batch report

Records inspection results for a specific upstream raw-material batch.

Additional company records

Company honors supplied for review

These images document awards and recognition included in the supplied company material. They are presented as supporting company records and are not substitutes for product test reports or certifications.

Buyer document checklist

What each document proves—and what it does not

A certificate or report is useful only when its identity, scope, date and issuing party match the product and transaction being reviewed.

TDS

Defines the released grade, indicative properties, applications and handling guidance. It is not a batch result.

SDS

Communicates hazards, handling, transport and emergency information for a named product and supplier.

Batch COA

Links a batch number to specification limits and actual test results. It does not replace application testing.

Application report

Records materials, method, dosage basis and measured results for a defined test—not a universal guarantee.

Before relying on a file: verify the legal company name, product/grade, document number, revision date, approval status and whether the document is current for the shipment.

Keep calculations with the trial record

For an SSD-based aggregate quantity, use the aggregate moisture correction calculator with measured moisture and absorption for each fraction. Keep test method, sample time and source with the result.

Use the slump retention calculator to summarize time-stamped readings, or the concrete admixture troubleshooter to organize a control-based checking sequence. These tools do not replace product documents, project test methods or acceptance criteria.

HFC-1001 grade and supplied document

HFC-1001 Liquid PCE Superplasticizer — grade-specific properties, application boundaries and document review status.

Original product data sheet (Chinese PDF). Supplied original, unchanged; naming/revision details require confirmation. This file is not a batch COA or independent certification.

Prepare the purchase review

Keep the evidence and assumptions with a named grade enquiry. These buyer guides complement the technical material above.