Holdum

ISOFIX connector arms engaging the anchor point between a car seat cushion and backrest
OEM/ODM & Wholesale Child Restraints

ISOFIX Car Seats Manufacturer & Supplier

Holdum designs and manufactures high-performance ISOFIX car seats for global juvenile brands, importers, and regional distributors — rigid ISOFIX with support-leg or top-tether options where the platform requires it, fully aligned with ECE R129 / i-Size automotive safety standards. Compatible rotating platforms remain available under our 360 rotating car seats line.

ECE R129 i-Size Approved
Rigid Latch Direct Chassis Anchoring
OEM & ODM Custom Tooling & Trim
B2B Supply Factory-Direct Wholesale

B2B Contract Manufacturing

Engineered anchoring mechanisms, top tethers, and high-tensile steel chassis platforms built for private labels and international child safety brands.

  • Rigid and retractable ISOFIX latch assemblies
  • Visual green/red anti-misuse locking indicators
  • 360° rotation base and support leg integration
  • Tailored shell colors, fabrics, and branding
Rigid Anchorage Engineering

What Is ISOFIX? Direct Vehicle Chassis Integration

ISOFIX establishes a direct, rigid mechanical connection between the child seat and the vehicle body shell. By eliminating conventional vehicle seatbelt routing variables, this standardized anchorage system significantly restricts seat displacement in frontal and lateral impacts while ensuring seamless compliance with ECE R129 / i-Size protocols.

Chassis Coupling

High-strength steel locking connectors latch directly into chassis-welded anchor points for unified structural deceleration across every rotating convertible car seat.

Zero-Error Latching

Dual visual confirmation indicators eliminate installation misrouting on each 3-in-1 rotating car seat, protecting brand reputation and reducing warranty inquiries.

Cutaway of a vehicle seat frame showing the ISOFIX anchor bar with a child seat connector about to latch

ECE R129 Aligned

Engineered to fulfill stringent global safety mandates, accelerating market entry and customs clearance for overseas importers.

OEM / ODM Ready

Holdum supports custom connector housings, retraction mechanisms, and proprietary shell toolings for private-label brands.

Retail Differentiation

Rigid attachment mechanisms satisfy dominant parent search intent, driving higher retail margins and stronger inventory turnover.

OEM / ODM Child Safety Engineering

Compatible ISOFIX Car Seat Lineup & Engineering Architecture

Engineered for global brand programs and volume distributors, Holdum provides precision-tooled ISOFIX child restraints spanning newborn carriers to multi-stage booster platforms across our complete line of products.

Holdum Model BS-188-M2 ISOFIX Rotating Car Seat with Support Leg
Featured Platform: Rotating ISOFIX BS-188-M2 ECE R129 / i-Size Ready
Featured Architecture Model BS-188-M2

Precision ISOFIX Rotating Seat Platform

Designed for private label brands seeking turnkey compliance, the BS-188-M2 couples a dedicated BS-188-M2 ISOFIX rotating car seat pod with an engineered rigid-latch ISOFIX base and anti-rebound architecture.

Anchoring Mechanism Rigid Steel ISOFIX Arms

Dual color-coded engagement indicators provide clear lock confirmation.

Impact Mitigation EPS / EPP Reinforced Shell

Energy-absorbing foam lining shields vulnerable head, neck, and torso zones.

Anti-Rotation Support Multi-Stage Support Leg

Telescopic floor load leg curbs forward pitch and rotational forces in impacts.

Restraint System Integrated 5-Point Harness

Single-pull center adjustment with no-rethread shoulder strap height indexing.

Turnkey OEM / ODM Custom Tooling, Soft Goods & Packaging

Multi-Stage ISOFIX Restraint Portfolio

Scalable factory inventory and configurable platforms spanning newborn carriers through high-back booster seats.

40 – 150 cm 40 – 150 cm

BS-188-M2 Rotating Seat

Ergonomic rear-facing rotating ISOFIX seat with rigid ISOFIX connectors, support leg, and single-hand 360° rotation.

  • Extended rear-facing travel
  • Rigid ISOFIX connectors and support leg
Standard: ECE R129 / i-Size View BS-188-M2 ISOFIX rotating leaf →
All-Stage / 40–150 cm 0 – 36 kg

MY-266 360° Rotating Seat

Full 360-degree rotation mechanism enabling effortless side-door loading and extended rearward-facing configurations.

  • Single-hand smooth rotational turntable
  • Multi-position deep recline geometry
  • Integrated side-impact protection (SIP) pods
Standard: ECE R129 / i-Size View rotating convertible →
Booster / 76–150 cm 15 – 36 kg

MY-366 High-Back Booster

Expandable high-back booster with rigid ISOFIX connectors, V-shaped backrest alignment, and compact fold options for storage.

  • Retractable independent ISOFIX arms
  • Multi-height synchronized headrest and wing adjustment
  • Self-locking shoulder and lap belt positioning guides
Standard: ECE R129 / i-Size View high-back booster →

Shell Construction & B2B Wholesale Specifications

Precision injection tooling, crash-tested alloy latch assemblies, and fully customizable soft-goods packages for brand manufacturers seeking compliant i-size ece r129 car seats.

Specification Attribute Rotating Seat BS-188-M2 360° Rotating MY-266 High-Back Booster MY-366
Shell Material High-impact virgin copolymer polypropylene (PP) Steel-reinforced injection-molded PP frame Impact-modified structural polymer shell
ISOFIX Anchoring Rigid base latch + telescopic support leg Top-Tether + ISOFIX Dual retractable rigid ISOFIX arms
Impact Padding High-density EPS foam + memory foam infant insert Multi-layer EPP absorption + breathable 3D air mesh Side-impact EPS wings + molded seat cushioning
Target Certifications ECE R129 (i-Size) ECE R129 (i-Size) ECE R129 (i-Size)
Container Loading (40HQ) Approx. 480 sets (carrier + base) Approx. 420 units (individual master carton) Approx. 750 units (compact pack)
Minimum Order Quantity (MOQ) 300 Units / Colorway 300 Units / Colorway 500 Units / Colorway
Direct Factory Manufacturing & Quality Control Batch dynamic sled validation, flammability audits, and full / batch mechanical latch testing.
OEM & ODM Manufacturing

Custom Manufacturing & Wholesale OEM Services

Holdum provides end-to-end OEM and ODM contract manufacturing for global child restraint brands and distributors. From custom colorways and proprietary tooling for the 3-in-1 rotating car seat to rigorous child safety compliance, our Jiangsu facility delivers dependable volume production.

Bespoke Tailoring for Private Label Programs

Differentiate your product catalog with tailored shell ergonomics, customized fabric covers, and branded hardware finishes across lines like convertible all-in-one car seats. We integrate client labeling, warning patches, and custom retail packaging directly into the line.

Custom Colorways Precise Pantone-matched upholstery, accent piping, and breathable technical textiles.
Branded Packaging Custom master cartons, localized instruction manuals, and retail-ready palletization.
Tooling & Mold Development Engineering support for exclusive outer shells and functional mechanisms under strict IP protection.
Flexible B2B Order Tiers Scalable batch schedules accommodating initial market trials and regular container orders.
Dark grey newborn car seat installed rear-facing with the head support insert and infant cushion visible

High-Capacity Factory Output

Dedicated injection molding and assembly lines in Jiangsu provide reliable lead times for distributors ordering multi-container volumes year-round.

Dedicated Assembly Lines Reliable Delivery

Material Safety & Testing

Incoming polymers, harness webbing, EPS energy absorbers, and connector steel undergo rigorous load stress, flammability, and toxicity checks.

ECE R129 / i-Size Aligned Batch Verified

Supply Chain Reliability

Optimized container packing methods protect cargo integrity while reducing shipping costs across ocean, rail, and multimodal export routes.

Global Freight Support FOB / CIF Options
Turnkey OEM / ODM Execution Complete design, rapid prototyping, and volume production support.
In-Line Multi-Stage Inspection Continuous checks on anchor mechanisms, harness locks, and structural seams.
Global Export Compliance Documentation and packaging suited for European and international distribution.
R129 i-Size Design Standard Standardized ISOFIX anchoring and enhanced side-impact shell structures.

Holdum Engineering & Field Support

Standardized ISOFIX Installation Guidance for Error-Free In-Vehicle Setup

Our OEM and wholesale ISOFIX systems are engineered for intuitive operation across product lines—including each compliant BS-188-M2 ISOFIX rotating car seat—minimizing real-world misuse through positive mechanical locking mechanisms and immediate visual feedback.

Engineered to Prevent Misuse
Distributor-Ready Asset Packs
Holdum ISOFIX child seat installation sequence and indicator checks

Step-by-Step Technical Protocol

Core Sequence: Connector Locking & Anti-Rotation Verification

A clear, repeatable workflow designed for retail sales training, localized instruction manuals, and seamless consumer adoption to safely install convertible all-in-one car seats.

1

Extend & Align ISOFIX Anchor Arms

Release the mechanical safety catch and extend both steel connector arms fully from the base housing.

  • •Align connector jaws squarely with the vehicle chassis anchor points.
  • •Push the car seat firmly until both sides engage with an audible click.
2

Verify Dual Visual Safety Indicators

Confirm positive mechanical lock status through the dedicated color-coded check windows.

  • •Inspect both connector housings to ensure flags have fully transitioned to green.
  • •Disengage and realign immediately if any red indicator warning remains visible.
3

Deploy & Lock the Support Leg

Extend the telescoping load leg down until it achieves solid contact with the vehicle structural floor.

  • •Set extension pin height firmly without lifting the child seat off the vehicle cushion.
  • •Confirm the footplate pressure gauge shows green, avoiding floor storage compartments.
4

Confirm Anti-Rotation Stability

Conduct manual displacement checks to verify rigid, play-free installation across all planes.

  • •Firmly pull the base sideways and forward to ensure zero excessive travel.
  • •Push the rebound bar firmly against the vehicle seatback for optimal crash energy transfer.

Distributor & OEM Partner Enablement

Streamline End-User Usability in Your Target Markets

We empower private-label brands and wholesale distributors with complete technical collateral, reducing return rates and boosting customer satisfaction.

  • ✓ Ready-to-brand quick-start user guides and vector line-art manuals for OEM packaging
  • ✓ Retail sales associate training modules focused on visual indicator safety verification
  • ✓ Technical vehicle-fitting lists and digital installation video assets for distributor websites
Wholesale & OEM Procurement

Request an ISOFIX Car Seat Wholesale Quote

Connect directly with Holdum manufacturing engineering in Jiangsu. We support brand owners, regional distributors, and retail importers with certified ECE R129 / i-Size ISOFIX child restraint systems.

B2B RFQ Form

Submit Your Project Requirements

Specify your target models, such as the BS-188-M2 ISOFIX rotating seat or a 3-in-1 rotating car seat, along with estimated container volumes and regional compliance needs.

Direct engineering review within 1 business day. Commercial NDA protection available for proprietary tooling.
Modern child car seat manufacturing campus in Jiangsu China with glazed production halls and a delivery bay

Direct Support for Global Buyers

Our export desk coordinates manufacturing lead times, regulatory testing dossiers, and sea freight logistics directly from Jiangsu.

OEM
Dedicated OEM / ODM Desk Rapid quotation, colorway samples, and custom packaging support.
FOB
Export & Shipping Compliance FOB Shanghai/Ningbo or CIF arrangements with optimized container packing.
01

Wholesale Ordering

Scalable containerload shipments for high-volume distributors stocking our validated ISOFIX infant, toddler, and booster lineups.

  • Optimized 20GP and 40HQ container packing plans
  • Retail-ready packaging and localized user manuals
  • Batch inspection documentation for customs clearance
02

Custom OEM & ODM

Tailor existing ISOFIX platforms to your brand identity with custom soft goods, shell colors, and proprietary safety upgrades.

  • Custom fabrics, embroidery, harness pads, and canopies
  • Integrated side-impact and ISOFIX base adaptations
  • Prototype delivery and pre-production validation runs
03

Distribution Partnerships

Long-term supply agreements for national brands and regional distributors looking for dependable child car seat production.

  • Protected market supply arrangements by region
  • Priority assembly scheduling during peak retail cycles
  • Technical marketing assets and homologation data packs
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