IATF Certified EV & E-Mobility Precision Components

Custom CNC machining, stamping, and surface finishing solutions for powertrain, battery, and charging systems.

ISO 14001:2015       ISO 9001:2015        IATF 16949:2016


IATF16949 Compliant Machining

New energy and e-mobility OEMs require automotive-grade precision parts with outstanding electrical insulation, thermal dissipation and vibration resistance to match fast-paced industry upgrading. CustomParts-MFG provides full-cycle manufacturing service including early DFM design optimization, rapid prototyping, diversified precision fabrication, customized surface treatment and scalable high-volume production. Our integrated production enables seamless transition from prototype development to bulk manufacturing, supports finished subassembly processing and full-process quality traceability, with optimized global sourcing for special conductive and lightweight raw materials.



Core Component Categories & Industrial Application Scenarios

EV Powertrain & Power Electronic Components

We produce motor housings, stator/rotor structural parts, transmission shafts, inverter heat sinks and sensor rings for new energy vehicle driving systems; customized converter, OBC and capacitor casings for onboard power electronics to realize compact layout and stable heat dissipation.

BESS Battery & Energy Storage Parts

High-precision busbars, conductive contact plates, cooling plates, module housings and terminal connectors ensure safe assembly and excellent heat exchange for lithium battery packs and stationary energy storage equipment.

Hydrogen Fuel Cell & Charging Infrastructure Parts

Custom bipolar plates, end plates, fluid manifolds for fuel cell stacks; AC/DC contact pins, connector housings and thermal control components for public and household charging stations.

Light-Duty Micro Mobility Parts

Lightweight structural frames, mid-drive gears, motor brackets and brake components for electric bikes, scooters and industrial drones.



Customized Material Selection Based on Application Performance

Customized Material Selection Based on Application Performance

We select raw materials according to thermal, electrical, weight and mechanical requirements of new energy products:

  • Lightweight alloys: 6000/7000 series aluminum, magnesium alloy for vehicle lightweight design;
  • Copper & copper alloy: high-conductivity raw material for busbar, conductive contact and terminal parts;
  • Special engineering steel: high-strength structural steel and corrosion-resistant 316L stainless steel for drivetrain and fuel cell assemblies;
  • High-performance plastics & composites: PEEK, PPS, PI and carbon fiber composite for insulation and structural reinforcement;
  • Special coated & titanium materials for high-load fasteners and anti-corrosion functional components.

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Full-Spectrum Precision Manufacturing & Surface Finishing Technology

Diversified Core Fabrication Process

Multi-axis CNC milling & turning for high-tolerance custom components; high-speed fine blanking & stamping for laminated sheet and contact parts; 3D additive manufacturing for rapid prototype and complex flow channel fixtures; precision laser welding and automatic assembling for cooling plate and sensor submodules.

Automotive-Grade Surface Treatment

Professional hard anodizing, silver/nickel/tin electroplating, stainless steel passivation and laser cleaning enhance part corrosion resistance, conductive performance and wear life to satisfy high-voltage working environment requirements.

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Full-Spectrum Precision Manufacturing & Surface Finishing Technology
Core Product Advantages for E-Mobility End Performance

Core Product Advantages for E-Mobility End Performance

  • Energy efficiency & extended driving range: Lightweight structural design and optimized thermal components reduce power consumption and improve EV mileage;
  • High power density & electrical safety: Ultra-precise dimensional control enables compact high-power layout and avoids high-voltage safety risks;
  • Long service durability: Parts are engineered to withstand frequent thermal cycling and mechanical vibration for long-term stable operation;
  • R&D innovation support: Integrated complex components help customers realize advanced structural and functional product upgrades.

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Core Cooperation Superiorities & Full One-Stop Service

Key Advantages to Partner With Us

Rich Tier1 EV supply experience, all products compliant with IATF16949, UL1977 and IEC61984 high-voltage standards; in-house tooling and automatic production cut unit cost for mass orders; flexible engineering adjustment for mid-stage design revision; all production processes follow RoHS and lead-free sustainable manufacturing specs.

Complete One-Stop Processing System

Professional DFM drawing optimization to cut unnecessary secondary processing; rapid prototype within 5~10 days via CNC and 3D printing; flexible annual production capacity ranging from 1,000 to 5,000,000 pieces; centralized stamping, machining, welding and plating eliminate multiple vendor coordination; customizable JIT, Kanban and VMI inventory delivery solutions.

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Core Cooperation Superiorities & Full One-Stop Service
Why Choose Us for New Energy & E-Mobility?

Why Choose Us for New Energy & E-Mobility?

  • E-Mobility experience: Supplied to Tier-1 EV battery and drivetrain manufacturers.
  • High-voltage safety compliance: Components designed to meet UL 1977, IEC 61984, and automotive standards (IATF 16949).
  • Cost efficiency: In-house tooling and automated production lines reduce per-part cost at scale.
  • Agility: Rapid engineering response for design changes – even in pilot production stages.
  • Sustainability: Lead-free and RoHS-compliant processes; recyclable material sourcing.

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SinoCMI’s One-stop Service

  • Design for Manufacturing (DFM): Our engineers review your CAD drawings and suggest cost/performance optimizations (e.g., reducing secondary ops).
  • Rapid Prototyping: 5–10 day lead time for sample parts using in-house CNC or 3D printing.
  • Volume Production: Flexible capacity from 1,000 to 5,000,000 pieces/year.
  • Multi-Process Integration: We combine stamping, machining, welding, and plating under one roof – saving you 5+ suppliers.
  • Just-in-Time (JIT) delivery with Kanban or VMI (Vendor Managed Inventory).

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SinoCMI’s One-stop Service

FAQs About New Energy & E- Mobility

What new energy and e-mobility precision components do you manufacture?

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A: We specialize in battery structural parts, thermal cooling components, motor housings, power electronic casings, charging connectors and lightweight structural parts for new energy vehicles, energy storage and charging infrastructure projects.

How do you guarantee automotive-level component precision and quality?

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A: We adopt advanced CNC, Swiss turning and EDM processing, paired with CMM and 3D scanning full inspection; ISO9001 & IATF16949 quality system ensures all parts meet strict automotive industry specifications.

Can you produce parts complying with formal automotive-grade e-mobility standards?

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A: Yes, our whole production system follows IATF16949 automotive standards, all finished parts feature excellent heat resistance, durability and high-voltage safety suitable for EV powertrain and battery system application.

What raw materials are commonly applied for new energy component production?

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A: Main materials include lightweight aluminum alloy, high-conductivity copper, corrosion-resistant stainless steel, PEEK/PPS engineering plastic and carbon fiber composite adapted for high-temperature and high-voltage working conditions.

What is your regular production lead time for custom new energy parts?

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A: Prototype samples take 2–4 weeks; formal bulk production schedule is confirmed after design review, we prioritize urgent orders without sacrificing finished product quality.

What is your lead time for custom precision parts in the new energy sector?

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A: Lead times vary based on part complexity and order volume. Typically, prototypes can be delivered in 2–4 weeks, while production orders are scheduled based on project requirements. We prioritize timely delivery without compromising quality.