Holdum

Commitment to Safety Standards

Certifications — ECE R129 & More

Holdum maintains rigorous testing and documentation standards to support our global partners in child passenger safety.

ECE R129 Compliance Path
i-Size Safety Standard
Partner Lab Cooperation
ECE R129 Regulatory Framework Engineering & Compliance Transparency

ECE R129 Path: Engineering Standards and Documented SKU Status

ECE R129 represents the global benchmark for child occupant protection, mandating height-based classification, integrated lateral impact criteria, and extended rearward travel. Our i-size-ece-r129-car-seats technical testing framework ensures verified development and certification milestones across key Holdum child restraint models.

Dynamic Side-Impact Protection Benchmarks

ECE R129 defines lateral-impact criteria (including a typical ~24 km/h sled profile) using industry Q-series dummies. Holdum designs reference those regulatory expectations with energy-absorbing structure and deep side wings — detailed test summaries are shared for applicable approved platforms upon request, not as stand-alone public proof numbers.

~24 km/h Typical R129 lateral criterion (regulatory)
Q-series Industry Q-series method (regulatory)
ISOFIX Rigid Anchor Standardization
01

Stature-Based Grouping

Child fitment is categorized by standing height in centimeters rather than weight alone, ensuring more accurate harness positioning and headrest alignment.

02

Extended Rear-Facing

Rearward installation is required up to a minimum of 15 months, supporting cervical vertebrae during high-energy frontal impacts.

Document binders beside an open technical file with a seat engineering drawing

Homologation Documentation

Documented by Model

Audit Ready

Holdum SKU Homologation Status

Factual certification milestones and target stature groups for OEM and wholesale buyers.

Documentation Status: Dossier Ready

Type-approval dossiers are on file for every model in this range: UN ECE R129 (i-Size) type-approval, plus CCC (GB 27887) for the China market. Certificate copies and test reports are released to qualified buyers at RFQ stage.

SKU Identifier Product Category Stature Range Standard Path Installation Type Certification Status
MY-166 Rotating Infant Car Seat 40 – 150 cm ECE R129 (i-Size) Support-Leg + ISOFIX ECE R129 Approved
MY-266 Rotating Convertible Car Seat 40 – 150 cm ECE R129 (i-Size) Top-Tether + ISOFIX ECE R129 Approved
BS-188 / BS-188-M2 360° Rotating 3-in-1 Car Seat 40 – 150 cm ECE R129 (i-Size) ISOFIX + Top Tether ECE R129 Approved
BS-288-M2 360° Rotating All-in-One 40 – 150 cm ECE R129 (i-Size) ISOFIX + Top Tether ECE R129 Approved
MY-566 Infant Safety Carrier 40 – 87 cm ECE R129 (i-Size) Rearward infant carrier ECE R129 Approved
MY-366 Foldable High-Back Booster 76 – 150 cm ECE R129 (i-Size) ISOFIX + Top Tether ECE R129 Approved
COP

Conformity of Production Controls

Batch-level dynamic sampling and mechanical checks are performed systematically to align production with certified type-approval specifications.

HPC

Head Performance Evaluation

Regulatory head-performance criteria use calibrated Q-series methods; Holdum shares summaries for applicable platforms when buyers request certification data.

DOC

Comprehensive Buyer Dossiers

Type-approval certificate copies, test summaries, and installation manuals are provided to prospective brand partners upon commercial request.

Legal Entity & Certification Scope

Holdum is the export brand of Jiangsu Myriad Child Safety Seat Co., Ltd., the legal entity named on the approvals listed above. Certificate copies are issued under the registered company name; the Holdum brand appears on product labelling, packaging and commercial documents. Buyers verifying approval numbers against issuer databases should search for the legal entity name.

Holdum currently holds UN ECE R129 (i-Size) type-approval and China Compulsory Certification (CCC, GB 27887-2011) for the models listed above.

We do not hold these approvals:

  • FMVSS 213 — United States (NHTSA)
  • CMVSS 213 — Canada (Transport Canada)
  • AS/NZS 1754 — Australia / New Zealand

For programmes requiring these standards, buyers must obtain destination-market certification through their own accredited testing body. We can support that process with sample submission, technical files and factory audit access, but we do not issue or hold those certificates.

Products supplied to European and UK markets are covered by the ECE R129 approvals listed above. If your programme requires a standard outside this scope, please raise it at RFQ stage so we can confirm feasibility before sampling.

Regulatory Documentation

Transparent CCC Documentation and Market Entry Dossiers

For regional distribution and domestic market clearance, China Compulsory Certification (CCC) documentation for applicable models follows GB 27887, covering MY-166 for the China market. Holdum maintains organized dossiers so OEM and brand partners can request verification paths without treating this page as a substitute for official certificate copies.

Technical File Preparation

We assemble complete structural drawings, material disclosures, harness component verifications, and user manual drafts mapped to regulatory criteria.

Buyer-Accessible Files

Distributors can request standard compliance dossiers, factory audit status overviews, and test progress reports for specific child seat models.

Unbranded type-approval folder and a stack of documents on a desk beside a child car seat shell
01

Model Verification Scope

Evaluating product build parameters across convertible, rotating, or booster categories to confirm precise test requirements and documentation paths.

02

Sample & Test Tracking

Supporting sample submission to designated testing bodies and tracking regulatory test progress (dynamic, flammability, and chemical assessments as applicable).

03

Dossier Maintenance

Providing validated documentation packages and supporting continuous CoP (Conformity of Production) records for continuous wholesale distribution.

Compliance Transparency

Complete Technical Files and Verifiable Compliance Data Shared with Buyers

Holdum provides qualified distributors, private label brands, and OEM buyers with clear, auditable documentation. From homologation test summaries to batch conformity records, every deliverable is grounded in verifiable engineering evidence. We share these detailed reports to ensure you have the necessary safety data for your product lines.

Direct Access to Regulatory Documentation and Batch Records

International infant and child product procurement requires reliable proof of safety and production consistency. We supply structured technical dossiers upon request to simplify your import declarations, retail audits, and market registrations.

Type-Approval Test Summaries

Summaries of dynamic crash tests and impact performance for applicable approved catalog platforms — shared on request, without inventing public report numbers.

Textile & Chemical Test Reports

Fabric flammability records, SVHC screening files, and skin-contact chemical safety assessments for soft covers and pads.

Harness & Hardware Strength Data

Webbing tensile test curves, buckle release force test logs under pre- and post-load conditions, and ISOFIX pull reports.

Conformity of Production (COP)

Routine batch drop tests, virgin resin melt-flow index logs, and routine manufacturing consistency records.

Neatly stacked cartons along both walls inside a shipping container with daylight from the open doors
Technical Dossier Portal

Authorized homologation summaries, material data sheets, and batch COP files shared directly with trade partners.

Standard Compliance Deliverables Available for Buyer Review

OEM partners and regional distributors can request four core technical portfolios to verify compliance before volume production.

Package 01 Shell & Foam

Structural Material Data

High-impact PP raw resin verification, energy-absorbing EPS and EPP foam density reports, and low-temperature stress tests.

Scope: Raw materials, mold dating, impact resistance

Package 02 Restraints

Harness & Anchor Logs

Five-point harness buckle cycle fatigue tests, ISOFIX anchorage static pull results, and top-tether webbing tensile logs.

Scope: Webbing, locking tongs, buckle mechanisms

Package 03 Fabric & Foam

Textile Safety & Flammability

Horizontal burning rate testing, sweat and saliva colorfastness assessments, and non-toxic chemical compliance dossiers.

Scope: Covers, padding, harness covers, infant inserts

Package 04 Regulatory

Official Homologation Files

Certificate copies and type-approval documentation for catalog-approved models, plus user manual / marking label artwork files — shared on commercial request.

Standards: UN ECE R129 (i-Size) type-approval across the range; CCC (GB 27887) for MY-166. Certificate copies on qualified buyer request.

Need Custom Sampling Protocols or Specific Inspection Plans?

We collaborate with brand partners to execute custom AQL sampling levels, third-party pre-shipment inspections, and buyer-specified packaging and barcode verification protocols.

Traceable Batch Records

Each production unit corresponds to mold cavity stamps, assembly date tags, and serialized lot tracking.

Independent Quality Assurance

Holdum Laboratory and Testing Partner Framework

We maintain transparency in our safety development process by partnering with credible, third-party testing facilities. Our verification framework ensures that every stage of product evaluation meets international safety expectations, providing our partners with clear, objective data.

Objective Validation

Collaborating with external labs to verify performance benchmarks and regulatory compliance milestones across our branded private label car seats.

Technical Transparency

Access to testing documentation and methodology summaries for our professional distribution partners.

CNC machining centre milling a steel injection mold cavity with coolant and metal shavings
01

Partner Selection

We align with established testing facilities known for their rigorous application of safety standards and technical expertise.

02

Standardized Protocols

Adhering to structured testing methodologies that align with global regulatory requirements and performance criteria.

03

Result Documentation

Providing clear test summaries and documentation, enabling our clients to review the verification path of their products.

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