Yeyuan Precision Technology Co., Ltd.

Precision CNC Machining for Engineering Plastics, Aluminum & Stainless Steel

CNC milling and turning — ±0.01mm tolerance, 3–15 day lead times. 1 pc prototype to 10,000+ production quantities. Aluminum alloys, stainless steel, and 9 engineering plastics from one source. DFM review and CMM inspection on every job.

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±0.01mmPrecision Tolerance

500+Clients Worldwide

19Material Options

No MinOrder Quantity

Why Choose Us

Material + Machining
From One Source

Most CNC shops don't stock engineering plastics. Most plastic suppliers don't machine. We do both — which means one point of accountability for material quality and machining precision.

Premium Materials

Sourcing top-quality upstream resources globally, offering PEEK, PEI, PI, PPS and all series of high-performance specialty plastics with full traceability.

Fast Delivery

Leveraging China's complete supply chain for rapid prototyping and on-time delivery for both small and large volume orders.

Precision Machining

Advanced CNC equipment achieving ±0.005mm tolerances, capable of complex precision parts for critical applications.

Technical Support

Experienced engineering team providing material selection guidance, design optimization, and machining process support.

Core Service

Precision CNC Machining

Your single source for material + machining. We stock aluminum alloys, stainless steel, and 9 engineering plastics — so your parts are machined from the right material, by a team that knows how each one behaves. 3-axis to 5-axis CNC milling and turning. ±0.01mm tolerance, 3–15 day lead times, 1 pc prototype to 10,000+ production. DFM review and CMM inspection on every job.

Aluminum 6061 / 7075 / 5052 Stainless 304 / 316L / 17-4 PH PEEK / PEI / PI / PPS / PTFE ±0.01mm Precision No Minimum Order

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Precision CNC machined engineering plastic and aluminum parts

Materials

Materials We
Specialize In

We stock and machine 4 aluminum alloys, 6 stainless steel grades, and 9 engineering plastics. Knowing how each material behaves under the cutting tool means better parts, fewer surprises, and faster delivery.

PEEK

Polyetheretherketone

Up to 260°C continuous service, excellent mechanical strength and chemical resistance. Available in glass/carbon/ceramic/antistatic reinforced grades.

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PEI (Ultem®)

Polyetherimide

Excellent dimensional stability and inherent flame retardance, naturally transparent, high dielectric strength. Widely used in electronics and aerospace.

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PI (Polyimide)

Polyimide / Vespel®

Exceptional thermal stability exceeding 300°C continuous use. Available in graphite-filled and other modified composites.

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Industries Served

Serving Critical
Industry Sectors

Electronics

Semiconductor

Aerospace

Medical

Chemical

Energy

Facilities

Our Workshop &
Equipment

Advanced multi-axis CNC machining centers, precision grinding equipment, and quality inspection systems — delivering precision-engineered components you can trust.

CNC Machining Workshop

Precision Machining Center

Quality inspection and measurement equipment

Inspection & Measurement

Double-Side Grinding

Production Workshop

Inventory

Massive Warehouse
Stock

Extensive inventory of engineering plastic sheets, rods, and tubes ready for immediate shipment — ensuring abundant selection, competitive pricing, and fast delivery.

Large warehouse stock of engineering plastics

Well-organized inventory of plastic materials

Our Work

Precision Machined
Parts

Examples of precision CNC machined engineering plastic components from our workshop, serving aerospace, semiconductor, medical, and industrial applications worldwide.