Rongshi Tongda Rongshi TongdaSHENZHEN RONGDAI TECHNOLOGY
Company Profile

A decade of focus on one thing: lithium batteries

Service as foundation, quality as survival, technology innovation as growth — a recognized name in dashcam power and an emerging force in security surveillance, with AI robotics ahead.

Overview

Focused, professional, progressive

Shenzhen Rongshi Tongda Technology Co., Ltd. was founded in 2015 as a high-tech enterprise integrating lithium battery R&D, manufacturing and sales.

Through the continuous effort of every team member, we have become a recognized leader in the dashcam industry, established a presence in security surveillance, and are strategically positioned in AI robotics.

We operate quality control strictly to ISO 9001 and hold ISO 13485 medical-device certification, iterating product designs and integrating resources to sustain our competitive edge.

Rongshitongda production facility
Milestones

From Shenzhen R&D to Dongguan scale manufacturing

2024

Facility Expansion

Capacity and manufacturing capability upgraded to match growing demand.

2021

Dongguan Branch

Regional footprint deepened; manufacturing and delivery strengthened.

2018

Dongguan Production Center

Manufacturing base established in Dongguan; scaled production took shape.

2017

Shenzhen Production & Marketing

Integrated production and sales, closer to customer needs.

2016

Shenzhen R&D Center

R&D team formed, laying the foundation for product innovation.

2015

Company Founded

Shenzhen Rongshi Tongda Technology Co., Ltd. established, focused on lithium batteries.

Warehouse and material management
Manufacturing

Smart production, fully visible process

Automated 18650 lines, MES monitoring, climate control and QR-code traceability build a fully auditable manufacturing system.

4,500㎡
Facility area
10lines
Automated lines
40K-60K
Pouch cells / day
20K-50K
Cylindrical / day
Fully automated production line

Fully Automated 18650 Line

Integrated sleeve insertion, coding and reflow for consistency and throughput.

Semi-automated line

Semi-Automated 18650 Line

Balances flexibility and efficiency for multi-variant, small-batch orders.

Automated PCM welding

Automated PCM Welding

Automated protection-module welding improves reliability and yield.

Scan test system

Scan Test System

Full scan testing with automatic data recording and traceability.

OCV tester

OCV Tester

Full open-circuit-voltage inspection with visualised cell-voltage management.

Laser marking and CCD

Laser Marking · CCD

Precision marking and vision inspection for clear identification and controlled appearance.

Quality Control

Systematic standards, end-to-end traceability

All new products must pass safety testing before mass production, with critical parameters fully traceable.

01

Dual Certification

ISO 9001 quality management plus ISO 13485 medical-device quality management, under double standards.

02

Safety & Reliability Testing

X-RAY, salt spray, air tightness, high temperature, vibration, drop, capacity grading, humidity chamber, impact, short circuit and solar-panel testing.

03

Digital Traceability

MES monitoring, QR-code traceability, scan testing, K-value testing and visualised cell-voltage monitoring.

04

Warehouse Management

Climate monitoring, fixed-location storage and first-in-first-out for stable storage quality.

05

ESD Control

End-to-end static elimination, dedicated protection-module handling, cleanroom cleanliness assurance.

06

After-sales Response

Rapid response to customer needs, with a product engineering team for in-depth collaboration.

Certifications

Comprehensive global safety certification

Products carry UN38.3, ISO 13485, RoHS, IEC 62133, UL, FCC, KC, CB, CE and Battery Directive approvals, plus multiple design patents. Click any certificate to view the original.

UN38.3 Test Report
UN38.3 Test ReportUN38.3
RoHS Certificate of Conformity
RoHS Certificate of ConformityRoHS
Medical Device System Cert.
Medical Device System Cert.ISO 13485
UL Certificate
UL CertificateUL
Product Test Report
Product Test ReportTEST REPORT
ISO 13485 QMS Certificate
ISO 13485 QMS CertificateISO 13485
KTR EU Battery Directive
KTR EU Battery DirectiveKTR / EU
CE / GTO Compliance
CE / GTO ComplianceCE · GTO
IEC 62133 Safety Standard
IEC 62133 Safety StandardIEC 62133
Product Safety Test Report
Product Safety Test ReportTEST REPORT
R217 Design Patent
R217 Design PatentPATENT R217
R186 Design Patent
R186 Design PatentPATENT R186
Roadmap

We are living through an era of rapid technological change

We are fortunate to participate in its construction, with clear staged goals driving continued investment.

Manufacturing

Increase automated production lines to 5 within the next 2–3 years, raising automation further.

Target 5 automated lines

Volume

Grow cylindrical battery sales volume by 50% within 1–3 years, deepening our core category.

Growth +50%

Vision

Rongshitongda aims to become a recognized leader in the security surveillance field within 3–5 years.

Goal Segment leader

Want to know more about us?

Browse our product lines, or contact our commercial team for detailed information and quotations.