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Products & servicesTOMISON is a local company with a global reach. It currently provides EMS electronic manufacturing services to customers in 27 countries and regions, including domestic A-share listed companies, growth enterprise market companies, and multinational corporations.
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Engineering processOur business covers the complete industrial chain from R&D to mass production, dedicated to providing precision electronic manufacturing solutions for medical devices, intelligent security, industrial control, network communication, and satellite navigation.
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Technical SupportSupports R&D sample production to mass production, equipped with automatic SMT machines, 10-zone reflow soldering and other equipment, with accuracy reaching 0.15mm QFN packaging level process.
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About UsTOMISON was founded in 2009 and is a high-tech enterprise focusing on electronic manufacturing services.
Engineering Process
Service Hotline (8:00-18:00)
Contact Person: Mr. Gu Chun
DFM manufacturability check
DFM CHECK
We provide customers with free PCB board DFM manufacturability checks, aiming to optimize product design and manufacturing principles, processes, and component accuracy. This will greatly avoid product manufacturing risks, and many defective items can be exposed and optimized before mass production or the sampling stage. PCB board processing DFM checklist:
- Document version and last update time
- Manufacturing process: Lead-free
- Clear component designations and silkscreen
- BOM containing manufacturing product brand and part number, description, and designation
- Confirm PCB manufacturing process: material, thickness, copper thickness, number of layers, surface finish, character color, and special processes
- Reasonable PCB layers and paneling method
- Provide the correct SMT placement file
- Complete program burning and functional testing plan
- Clear finished product assembly manual and schematic diagram
- Other special process requirements
- BOM material and PCB pad matching detection (customer engineers often cause the BOM to not be updated in time during design changes, resulting in the purchase of incorrect materials)
- Evaluate the PCB board manufacturing process, including but not limited to: processing sequence, stencil opening adjustment, oven direction and fixture production, analysis of large heat-absorbing pads and surrounding components, moisture-sensitive/heat-sensitive component protection, PCBA testing plan and detection rate, trial production quantity and trial production report, etc.
Assist in optimizing product design
We provide professional project engineers to follow up throughout the entire process, from the product design and prototyping phase, guiding product optimization and manufacturing processes, all the way from the NPI (New Product Introduction) phase to mass production (MP).
Summarize the production process
Summarize production abnormalities during the sample production and small-batch trial production phases, and provide feedback to the design department for modifications to achieve more stable mass production quality and efficiency. This includes material procurement, cycle time, assembly adaptability, and test design based on the BOM.
Output NPI report
We provide professional and free NPI trial production reports, including detailed information on sampling and small-batch trial production processes. The reports summarize process defects, design revisions, key process nodes, test optimization, process SOPs, and workstation optimization.
TOMISON real-time dynamics
We never stop thinking, keeping up with industry trends, and continuously exploring intelligent engineering and technical information for EMS electronic manufacturing services. Welcome to learn about our recent news and research.
Welding Wonders: The Rise of Medium and Large Batch Welding Services
2025-12-11
The Buzz Around SMT Small: Trends and Innovations in the Industry
2025-12-11
What stages are included in electronic product testing?
2025-12-11
What types of electronic components are there, and what industries are they generally used in?
2025-12-11
TOMISON
