Sunme
Electronic component supply
Direct supplies from leading global manufacturers
PCB design
Printed circuit board design of any complexity
Software development
Embedded systems and microprocessor software
Import substitution
Replacing foreign components with Russian analogues
Supplier audits in China
On-site factory and supplier verification in China
Integrated supplies
Full cycle from components to finished product
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How we did it

Real projects with numbers, timelines, and client quotes. No marketing fluff.

Case studies

Industry:
Service:
Security SystemsComponent Supply

Emergency supply of 847 non-PRC-dependent components for serial radar production

Large manufacturing enterprise (Russia)

«We needed to ramp up serial production of a next-generation radar. The issue: 847 BOM line items were either on the sanctions list or had a sole supplier in China. We had 45 days before the line shut down. Standard suppliers quoted 120–180 days.»

1

Parallel sourcing from 23 suppliers instead of 1–2

Rather than sequentially contacting the usual vendors, we split the BOM into seven component clusters and ran parallel negotiations with 23 suppliers across nine countries. Sourcing time dropped from the typical 4–6 weeks to 8 days.

2

Alternative qualification for part of the BOM

For one-third of the line items we found alternatives with a wider temperature range (−60…+150 °C vs. −40…+125 °C) that were not in the original spec but fully met the electrical requirements. This expanded the qualified supplier pool more than 3×.

3

Pre-booking inventory at Singapore warehouses

For 156 long-lead items we reserved stock at regional Singapore warehouses before negotiations closed, gaining a 14-day logistics head start.

38 days
Duration
99%
Coverage
−12%
Savings
847 line items
Items
67% non-PRC-dependent
Diversification

«38 days instead of 120 — and that was across 847 line items. The line never stopped. For the first time in three years we received a complete BOM without deviation approvals on every third item.»

— Head of Procurement and Supply Chain
MedtechPCB Design

12-layer HDI board for a portable ultrasound scanner: MDR Class IIb

Medical device manufacturer (Russia)

«We were developing a portable ultrasound scanner. The design required a 12-layer HDI board (0.1 mm microvias), 4 GHz signal traces, and an analog front-end with noise below 2 nV/√Hz. MDR Class IIb certification required a full Design History File and component-level traceability. The previous contractor had not delivered in 8 months.»

1

Split analog and digital paths across dedicated layers

Instead of mixed routing, we dedicated layers 3–4 exclusively to the analog channel with guard rings and stitch vias every 2.5 mm. Crosstalk on digital buses dropped from −42 dB to −68 dB.

2

Thermal simulation before the first prototype

We ran 140 Icepak simulations before the first prototype, optimizing placement of 23 heat-generating devices. This reduced prototype iterations from the typical 4–5 to 2.

3

Automated Design History File artifacts

We set up a CI/CD pipeline that automatically generated BOM revisions, schematic diff reports, and part of the test protocols in the DHF. Preparation for the certification audit dropped from 3 months to 2 weeks.

112 days
Duration
94 dB
SNR
2 instead of 4–5
Prototypes
First-iteration pass
EMC
2 weeks
Certification

«The previous contractor could not get us to a third prototype in 8 months. Here we had a working board in 16 weeks, passing EMC on the first attempt. Key DHF documents were collected automatically, and the audit took 2 days.»

— Project Lead, Medical Imaging Division
IndustrialSoftware Development

Monitoring platform for 200+ industrial sensors: latency < 500 ms at 50K events/sec

Manufacturing company (Russia)

«We are building a smart factory: 217 sensors (vibration, temperature, current, pressure) across four production lines. The platform had to collect data in real time, detect anomalies (false positive rate < 5%), and deliver predictive maintenance 72 hours ahead of failure. Load: 50K events/sec. Legacy: weekly Excel reports.»

1

Edge computing on ARM Cortex-A53 instead of cloud processing

We deployed edge nodes on each line running FFT and feature extraction locally. Network traffic fell 94% and latency stayed below 500 ms even when the central server link was down.

2

Ensemble model of three algorithms for anomaly detection

Rather than a single Isolation Forest, we used an ensemble of LSTM for temporal patterns, Statistical Process Control for stationary signals, and One-Class SVM for multivariate correlations. Weighted voting cut the false positive rate from 18% on the pilot to 3.2%.

3

Digital Twin with physics-based simulation for predictive maintenance

We built reduced-order physics models of 12 critical machine nodes in Simulink and integrated them with the ML failure-prediction model. Mean time to failure prediction: 78 hours vs. 34 hours with ML alone.

185 days
Duration
217 sensors
Sensors
340 ms (p99: 480)
Latency
3.2%
False positive
−67% downtime
Downtime

«We used to find out about a failure when the machine was already down. Now we get a notification three days in advance with the specific node and recommended action. Downtime has fallen threefold — by our estimate, around 47 million RUB saved per year on a single shop floor.»

— Director of Digital Transformation
TelecomImport Substitution

Import substitution of Xilinx/Intel FPGAs on 47 telecom units

Telecom operator (Russia)

«We had 47 telecom units with Xilinx 7-series and Intel Cyclone V FPGAs. Sanctions cut off supply and we had only 8 months of stock. We needed to move to Chinese alternatives (Pango, Gowin). The complexity: on 23 units the FPGA was paired with DDR3 and PCIe Gen2, where timing was critical.»

1

Parametric search with pin-to-pin compatibility mapping

We developed an automated script that compared 340+ parameters for each FPGA die — not just logic capacity but IO standard, PLL spec, and transceiver speed — against every unit's requirements. Analysis time dropped from 6 weeks to 4 days.

2

Migration via intermediate mezzanine boards for 12 units

For 12 units with critical timing dependencies we designed mezzanine adapter boards instead of full redesigns. Development time dropped from 8 months to 10 weeks and design risk was reduced.

3

Timing verification across three independent tools

We cross-checked timing in the vendor tool, OpenSTA, and our own framework. We found 14 hidden violations that the vendor tool did not report. Fixing them before prototyping saved 6–8 weeks of debug.

156 days
Duration
44/47 migrated (94%)
Devices
−22%
Savings
100% closure 200 MHz+
Timing
24+ months buffer
Stock

«Our biggest fear was that the redesign would drag on for years and half the units would not work. In 5.5 months we migrated 44 of 47. The three difficult cases were solved with adapters — the equipment is operational and timing is clean.»

— Chief Technology Officer
IndustrialChina Supplier Audit

Shenzhen supplier audit: exposing a 'factory' with no manufacturing capability

Electronics manufacturer (Russia)

«We had found a Shenzhen supplier positioning itself as an OEM factory for IP67 connectors. Prices were 35% below market, MOQ was flexible, the website looked great, and ISO 9001 arrived by email in 2 days. Instinct said: too good to be true. Before signing a $340K contract we needed an independent check.»

1

Business license verification and registry cross-check

We checked the Unified Social Credit Code in several government and commercial registries. Findings: the company was registered as a trading firm, not a manufacturer. Registered capital was an order of magnitude below the typical factory of this scale. The owner was linked to several other companies, some of which were on the court debtor blacklist.

2

Unannounced site visit to the production facility

Instead of a scheduled tour we conducted a surprise audit on a working day. The 'production floor' was a 200 m² rented office with 12 staff. Equipment: two desktop presses and a shelf of finished product bearing other brands. Actual capacity: ~500 pcs/month vs. the claimed 50K.

3

Subcontract chain analysis through documentation

We requested COCs, material test reports, and production batch records for the last 6 months. We found multiple barcode printers, different packaging formats, and mismatched batch numbers between shipping documents and test reports. Direct evidence of resale from at least 3 sub-suppliers.

11 days
Duration
$340K prevented
Contract
7 risk factors
Red flags
23/100 (critical)
Score
92/100 found
Alternative

«In 11 days we saved $340K and six months of headaches with an unreliable supplier. The report was so detailed that we used it as a checklist to vet several more potential partners. The alternative supplier recommended has now been working with us for 8 months without a single issue.»

— Director of Procurement