Kerfgrid
Machine shop Checked Oct 8, 2026

Z I Machine Manufacturing

El Dorado Hills, CA · prototype to production

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About

A precision machine shop in El Dorado Hills that does close tolerance CNC turning, milling, and assembly for the energy, industrial valve, aerospace, and military defense markets, including prototype and production runs. The company is a woman owned small business established about 30 years ago.

Summary written by Kerfgrid from zimachine.com.

Processes

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Materials
Nickel alloys, copper, brass and bronze, carbon steel, aluminum
Industries
Aerospace, defense, energy, oil and gas
Volumes
Prototype to production
On the shop floor
15 machines listed on zimachine.com
  • DOOSAN PUMA 400
  • DOOSAN PUMA 300
  • MIYANO BNC, 125 Turning Center/Dual/Spindle
  • MIYANO BNC, 34T Turning Center
  • HWACHEON HI-ECD 10 E
  • MORI SEIKI FRONTIER-LI
  • AKIRA SEIKI SL-25
  • MORI SEIKI SL 200
  • MORI SEIKI FRONTIER-LII
  • DOOSAN Twin Spindle/Turret 1800 SYTT
  • MORI SEIKI NH4000
  • Okuma MB-4000H
  • YCM XV 1020A
  • EXCEL-510
  • EXCEL-5VT20
Where each detail comes from