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Jian Chang Precision specializes in ultra-small precision turned parts Ø0.7–20mm — PINs, micro shafts, ferrule components, and connectors for optical communications, medical devices, and semiconductor equipment.
Ideal for small-diameter continuous production Ø0.7–20mm.
Micro Parts Long Shaft High ToleranceHigh-volume production for mature part numbers — 100,000+ pcs/month with stable cycle times and low unit cost.
Mass Production Cost EfficiencyHigh-precision OD grinding to ±0.0015mm tolerance — ideal for PINs, shafts, and positioning components.
High Precision ±0.0015mmNickel plating, zinc plating, electroless nickel, heat treatment, grinding, passivation, sorting and packaging — all coordinated per order.
Fiber connector ferrules, adapters, and connector metal parts requiring Ø1–3mm high concentricity and precision tolerances.
FerruleAdapterConnectorEndoscope components, micro shafts, and surgical instrument parts — requiring biocompatible materials and ultra-consistent tolerances.
SUS316TitaniumInconelPositioning PINs, spacers, and fixture parts with high dimensional consistency — 100% dimensional control required.
Precision PINSpacerFixture Parts38+ years focused on Swiss-type turning of ultra-small precision components.
Proven production in brass, stainless steel, steel, aluminum, and exotic alloys.
Plating, heat treatment, grinding, passivation, and packaging all coordinated per order.