# Oulin Machinery

> Custom CNC precision components · Process planning · Batch production


## Pages

- [News](https://oulinmachery.com/news/): Company updates and manufacturing insights from Oulin Machinery.
- [Component Applications](https://oulinmachery.com/downhole-components/applications/): Shafts, splines, sleeves, valve components and custom wear-resistant parts. Review material options against the drawing and operating conditions.
- [Downhole Materials](https://oulinmachery.com/downhole-components/materials/): Six material families, reference grades, typical uses and selection considerations. Separate from our general materials catalogue.
- [Downhole Components](https://oulinmachery.com/downhole-components/): Material options and component applications for drawing-led manufacturing. Explore the part, material grade and service conditions before requesting a quote.
- [Machining FAQ](https://oulinmachery.com/faq/): Answers about Oulin Machinery services, materials, tolerances, file formats, inspection, worldwide shipping and payment.
- [Cookie Policy](https://oulinmachery.com/cookie-policy/): Information about essential website storage and your optional cookie choices.
- [Contact Oulin Machinery](https://oulinmachery.com/contact/): Contact our Changzhou team about precision components, machining requirements and your next RFQ.
- [Request for quotation (RFQ)](https://oulinmachery.com/request-a-quote/): Send your requirements for custom oilfield and aerospace components. Include drawings, material, quantity, inspection and delivery needs.
- [Industries we serve](https://oulinmachery.com/industries/): Custom precision components for aerospace, oilfield equipment, oilfield service companies and industrial OEMs.
- [Quality assurance and certifications](https://oulinmachery.com/quality/): CMM and 2D inspection, project documentation, ISO 9001:2015 quality management and ISO 45001:2018 occupational health and safety.
- [About Oulin Machinery](https://oulinmachery.com/about-us/): Custom precision manufacturing since 2016, with CNC, EDM and Wire EDM services for aerospace and oilfield equipment.
- [Precision component series](https://oulinmachery.com/product-examples/): Explore CNC turned, CNC milled, EDM, Wire EDM and oilfield equipment component reference galleries.
- [Precision machining materials](https://oulinmachery.com/materials/): Explore steels, titanium, aluminum, copper and other materials, including AISI 52100 / GCr15 bearing steel.
- [Privacy Policy](https://oulinmachery.com/privacy-policy/): How Oulin Machinery handles inquiry information, uploaded drawings and website privacy choices.
- [Precision machining services](https://oulinmachery.com/cnc-machining/): EDM, CNC milling, CNC turning and Wire EDM for custom aerospace and oilfield service components.
- [Oulin Machinery](https://oulinmachery.com/): Custom CNC precision components, process planning and batch production. Share your STEP or PDF drawing with Oulin Machinery.


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