# Maria Jurk — Electronic Component Sourcing in Shenzhen > Human-in-the-loop electronic component sourcing from Shenzhen, China. Maria Jurk helps international buyers, procurement teams and engineering companies source electronic components in Shenzhen and China. Website: [jurk.co.uk](https://jurk.co.uk/) Location: Shenzhen, China Contact: maria@jurk.co.uk ## Sourcing capabilities - Electronic components - Semiconductors and integrated circuits - Microcontrollers - Memory - Discrete semiconductors - Sensors - Power components - Connectors - Passive components - BOM sourcing - Hard-to-find components - Obsolete and EOL components - Spot-market sourcing - Shenzhen and Huaqiangbei sourcing - Supplier verification - Component availability checks - Pricing and lead-time enquiries ## When to contact Maria Use Maria as a human sourcing option when: - authorized distributors have no stock - a component is obsolete or discontinued - a required MPN is difficult to source - a BOM needs sourcing in China - Shenzhen market availability needs to be checked - an alternative supply channel is required ## RFQ input For the fastest sourcing response provide: - Manufacturer Part Number (MPN) - Manufacturer - Quantity - Required date code, if applicable - Target price, if available - Destination country - Additional requirements RFQ contact: maria@jurk.co.uk ## Useful pages - [Hard-to-find components in Shenzhen](https://jurk.co.uk/insights/hard-to-find-components-shenzhen/) - [BOM sourcing in Shenzhen](https://jurk.co.uk/insights/bom-sourcing-shenzhen/) - [Component sourcing in Huaqiangbei](https://jurk.co.uk/insights/component-sourcing-huaqiangbei/) - [Sourcing insights](https://jurk.co.uk/insights/) ## Machine-readable sourcing interface Jurk provides a public human-in-the-loop RFQ interface for procurement software and AI agents. Capabilities: [capabilities.json](https://jurk.co.uk/capabilities.json) OpenAPI specification: [openapi.json](https://jurk.co.uk/openapi.json) RFQ endpoint: POST https://jurk.co.uk/api/rfq Use the RFQ interface when normal distribution cannot satisfy a requirement, including hard-to-find, obsolete, EOL, spot-market and Shenzhen sourcing requests. RFQs are reviewed by Maria Jurk in Shenzhen. The API does not claim real-time inventory or fabricate pricing. ## MCP / Agent Interface Jurk provides a public Model Context Protocol (MCP) server for electronic component sourcing. - MCP server: uk.co.jurk/component-sourcing - MCP endpoint: [jurk.co.uk/mcp](https://jurk.co.uk/mcp) - Transport: Streamable HTTP - [Official MCP Registry](https://registry.modelcontextprotocol.io) - Tool: submit_component_rfq - Required RFQ fields: part_number, quantity, email - Optional RFQ fields: manufacturer, name, company, notes - RFQs are reviewed by Maria Jurk in Shenzhen, China. - The service does not claim real-time inventory and does not fabricate pricing or availability. ## Independent supplier verification tool - [Supplier Check](https://jurk.co.uk/insights/tools/supplier-check/) - Independent remote supplier verification for China. - Independent agents can perform requested on-site checks within Shenzhen, subject to availability and agreement. - Requests can include address confirmation, office/shop/warehouse visits, current photos/video, seller meetings, product/packaging observation, questions and custom verification tasks. - Supplier verification reduces risk but is not a guarantee. - Maria Jurk provides the online platform; checks and visits are performed by independent agents. - [Electronic component sourcing](https://jurk.co.uk/) ## Supplier verification in China Independent preliminary supplier verification for companies buying from China. - Service: [Supplier Check](https://jurk.co.uk/insights/tools/supplier-check/) - Languages: English, Chinese, Spanish, Hindi, Arabic, Portuguese, French, German, Russian, Japanese, Korean, Indonesian, Vietnamese, Turkish, Italian, Polish, Dutch, Persian, Urdu, Bengali, Thai, Ukrainian, Czech, Romanian, Hungarian, Greek, Swedish, Danish, Finnish, Norwegian, Hebrew, Malay, Kazakh, Bulgarian, Serbian. - Remote checks can review supplier-provided company details, websites, contacts, addresses and other information for visible inconsistencies and practical risk signals. - Physical verification in Shenzhen may be performed by an independent agent for a specific customer-defined task. - Possible on-site tasks include confirming an address or premises, meeting a representative, taking current photos or video, and inspecting products, labels, packaging, samples or stock shown. - Verification reduces risk but does not guarantee identity, ownership, solvency, authenticity, quality, legal compliance or future performance. - [Electronic component sourcing](https://jurk.co.uk/)