QUALITY ASSURANCE SYSTEM
Quality Management · Process Control · Testing Validation · Manufacturing Reliability
ISO 9001
ISO 14001
IATF 16949
UN38.3
CE / RoHS
100% Tested

Every battery solution undergoes strict quality control from incoming inspection, cell manufacturing, battery pack assembly, and final performance testing to ensure safety, consistency, and long-term reliability.

Incoming Material Control (IQC Process)
Incoming Material
Material Inspection Request
Standard IQC Process
IQC Inspection
According to Technical Specifications, Process Requirements, Product Drawings & Inspection Standards
PASS?
PASS
Incoming Inspection Report
Identification & Warehouse Storage
Production Tracking
FAIL
NCR
(Non-Conformance Report)
Supplier Quality Feedback
Corrective & Preventive Action
Verification
Urgent Material Release
Purchase Application
(Urgent Release)
MRB
Material Review Board
IQC Identification & Warehouse Storage
Production Use
ONLINE
INSPECTION
PASS
Production Use
FAIL
Identification
& Isolation
Sorting & Use
Defect Disposition
Return to Supplier
Sorting & Use
Deviation Approval
Lithium-ion Cell Manufacturing Process

The Quality of a Battery Pack Begins with Every Single Cell

The performance, safety, and service life of a battery pack are fundamentally determined by the quality and consistency of each individual cell.

Lithium-ion cell manufacturing has achieved a high level of automation. Advanced production equipment precisely controls critical processes including electrode preparation, winding, welding, electrolyte filling, formation, and testing.

Through automated production lines, strict process control, and comprehensive quality inspections, our cell manufacturing partners ensure excellent cell consistency, stable performance, and reliable safety characteristics across every production batch.

Electrode Preparation
Cathode Line
+
Material
Mixing
+
Slurry
Preparation
+
Coating
+
Calendering
+
Slitting
+
Tab
Welding
Anode Line
Material
Mixing
Slurry
Preparation
Coating
Calendering
Slitting
Tab
Welding
Cell Assembly
01
Jelly Roll
Winding
02
X-Ray
Inspection
03
Jelly Roll
Insertion
04
Bottom
Welding
05
Grooving
06
Laser
Welding
07
Vacuum
Baking
08
Electrolyte
Injection
09
Sealing
10
Cleaning
Formation & Quality Inspection
11
Formation
12
Aging
13
OCV & Internal
Resistance Test
14
Capacity
Grading
15
Cell
Sorting
16
Appearance
Inspection
17
OQC
18
Packing &
Shipment
Advanced Manufacturing Equipment & Intelligent Quality Monitoring System

To ensure excellent cell consistency and long-term reliability, our lithium-ion cell manufacturing partners utilize advanced automated production equipment and intelligent quality monitoring systems throughout the manufacturing process.

From electrode preparation and cell assembly to inspection and data management, key production parameters are continuously monitored and controlled. Automated equipment improves process stability, reduces human variation, and ensures consistent quality across every production batch.

Automatic Coating Thickness Measurement System

Automatic Coating Thickness Measurement System

2D Vision Measuring System

2D Vision Measuring System

Fully Automatic Winding Machine with Short Circuit Detection

Fully Automatic Winding Machine
with Short Circuit Detection

Fully Automatic Winding Machine

Fully Automatic Winding Machine

X-Ray Battery Internal Inspection System

X-Ray Battery Internal Inspection System

Winding Machine Automatic Short Circuit Detection System

Winding Machine Automatic Short Circuit Detection System

ICP OES Thermo Fisher iCAP 7200

ICP-OES Thermo Fisher iCAP 7200

Automatic Weighing and Packaging Integrated Machine

Automatic Weighing & Packaging Integrated Machine

BET Surface Area Analyzer

BET Surface Area Analyzer

Manufacturing Information Management System MES

Manufacturing Information Management System (MES)

Custom Battery Pack Assembly Process

From cell matching to final inspection, every battery pack undergoes systematic assembly, testing, and quality verification procedures to ensure safety, reliability, and consistent performance.

Our battery pack assembly process integrates professional equipment, strict process control, and comprehensive testing procedures to deliver customized battery solutions for various applications.

Cell Grading and Matching
STEP 01

Cell Grading & Matching

Automatic Laser Welding
STEP 02

Automatic Laser Welding

Insulation Pad Installation and Cell Wrapping
STEP 03

Insulation Pad Installation
& Cell Wrapping

Module Fixing
STEP 04

Module Fixing

Module Inspection
STEP 05

Module Inspection

Housing Installation and Labeling
STEP 06

Housing Installation
& Labeling

Harness Installation
STEP 07

Harness Installation

Component Assembly
STEP 08

Component Assembly

Charge and Discharge Test
STEP 09

Charge & Discharge Test

Air Tightness Test
STEP 10

Air Tightness Test

Housing Cover Assembly
STEP 11

Housing Cover Assembly

Communication Test
STEP 12

Communication Test

Final Inspection
STEP 13

Final Inspection

Secure Export Packing
STEP 14

Secure Export Packing

Battery Pack Manufacturing Equipment & Quality Assurance Capability

Our battery pack manufacturing facilities are equipped with advanced production equipment and comprehensive testing instruments to ensure stable quality, safety, and reliability.

From cell matching and welding processes to electrical testing, aging verification, and safety evaluation, every stage is supported by professional equipment to maintain consistent battery pack performance.

Automatic Internal Resistance and Voltage Sorting Machine

Automatic Internal Resistance & Voltage Sorting Machine

Automatic Spot Welding Machine

Automatic Spot Welding Machine

Manual Spot Welding Machine

Manual Spot Welding Machine

Laser Welding Machine

Laser Welding Machine

Ultrasonic Welding Machine

Ultrasonic Welding Machine

Fully Automatic Multifunctional Wire Stripping Machine

Fully Automatic Multifunctional Wire Stripping Machine

Battery Pack Comprehensive Testing System

Battery Pack Comprehensive Testing System

Adjustable DC Regulated Power Supply

Adjustable DC Regulated Power Supply

Laser Marking Machine

Laser Marking Machine

Fully Automatic Energy Storage Production Line

Fully Automatic Energy Storage Production Line

Charge and Discharge Aging Tester

Charge & Discharge Aging Tester

Cycle Aging Cabinet

Cycle Aging Cabinet

Temperature and Humidity Test Chamber

Temperature & Humidity Test Chamber

Battery Short Circuit and Explosion Proof Test Chamber

Battery Short Circuit & Explosion-Proof Test Chamber

Reliable Battery Quality Assurance

Before shipment, every battery product undergoes comprehensive inspection and performance verification to ensure compliance with customer requirements and application standards.

With strict quality control throughout the entire manufacturing process, we are committed to providing safe, reliable, and customized battery solutions for customers worldwide.

Ready to Discuss Your Battery Solution?

Whether you need battery cells, custom battery packs, or OEM/ODM solutions, our engineering team is ready to provide professional support and customized solutions.

Contact Form Demo (#3)