Electrical
Continuity, contact resistance, voltage withstand, insulation and temperature rise where applicable.
PROJECT-SPECIFIC VERIFICATION
Quality controls linked to the actual product and test conditions
Incoming, in-process and outgoing controls are combined with applicable electrical, mechanical and environmental verification. Every conclusion belongs to the tested model, sample condition, method and acceptance criteria.
Mechanical
Force, travel, attraction, release, tensile, swing, flex and mating actions according to the product structure.
Environmental
Temperature, humidity, salt spray, ingress or other agreed conditions when relevant to the application.
Process controls
Incoming materials, key process points, CCD inspection and outgoing verification linked to approved documents.
CONTROL PLAN
Quality evidence follows the product through each stage
Not every test applies to every design. The applicable controls are selected from the structure, materials, electrical task, environment and reliability target.
Incoming materials
Critical contact materials, springs, magnets, molded parts, wire and supporting components are checked against the agreed requirements.
In-process controls
Key dimensions, assembly position, polarity, soldering, magnetization, appearance and process consistency are monitored at defined points.
Outgoing verification
Applicable functional, electrical, mechanical and visual checks are completed against the released product documents.
Reliability confirmation
Life, environmental or mechanical tests are conducted only under the agreed sample condition, method, duration and acceptance criteria.
Inspection records
Records and reports are associated with the inspected model, lot, sample or project rather than generalized across unrelated products.
Engineering changes
Changes to dimensions, materials, plating, cable construction or test conditions require review against the approved project basis.
MANUFACTURING SYSTEM CERTIFICATE
IATF 16949:2016
Certificate holder: Dongguan Yongtan New Energy Co., Ltd., an affiliated manufacturing entity within Yongtan's manufacturing operations.
- Certificate No. RA02-0781/2026
- IATF No. 0612332 · USI TW65P6
- Scope: Manufacturing of charging connector contacts
- Product design excluded
- First issued: 21 August 2026 · Valid until: 20 August 2029
The certificate applies only to the holder and scope stated on the original document. It must not be interpreted as certification of Shenzhen Yongtan Electronics or of every product shown on this website.
View original certificate PDF
ENGINEERING FAQ
Quality, testing and certificate questions
Concise answers for product teams evaluating a custom precision-contact or magnetic-connection project.
Which quality checks can be included?
Applicable checks may include contact resistance, insulation, voltage withstand, force, travel, tensile or flex performance, temperature, humidity, salt spray, ingress and visual inspection.
Are all products covered by the IATF 16949 certificate shown?
No. The certificate is held by Dongguan Yongtan New Energy Co., Ltd. and applies only to the holder and scope stated on the original certificate: manufacturing of charging connector contacts.
How are acceptance criteria decided?
Acceptance criteria are defined in the project-approved drawing, specification, test method and sample condition. Website descriptions do not replace those documents.
Can verification be adapted to the application?
Yes. The verification plan is selected according to the product structure, electrical task, environment, expected life and customer requirements.
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