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About ProtoTech Machining

ProtoTech Machining Co., Limited is a precision CNC machining partner in Shenzhen, China, serving high-tech equipment manufacturers in Europe, North America and Asia.

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What we do

We machine precision components for high-tech equipment: semiconductors, optics and photonics, medical devices, robotics, automation and specialized machinery. Our focus is the hard part of the job - advanced materials, tight tolerances and parts that must be right the first time.

At a glance

  • Founded in 2013.
  • Around 38–45 employees.
  • 1,300 m² manufacturing facility in Shenzhen, China.

Why customers come to us

  • Advanced materials: Kovar, tungsten alloys, Permalloy, titanium, Inconel and high-performance polymers.
  • Tight tolerances: typically ±0.005 mm on 3-axis work, ±0.01 mm standard on simultaneous 5-axis.
  • In-house metrology: Zeiss SPECTRUM CMM inspection and spark-OES spectrometer verification.
  • Documentation: ISO 9001:2015 certified (AENOR), EN 10204 3.1 certificates and full batch traceability.

Local support in Europe

Through our European engineering partner Tubacon GmbH in Germany we provide prototyping support, repair assistance, after-sales service and on-site audit support - so when something needs attention, we are in the region, not across an ocean.