What Do We Do?
Runsom focuses on CNC milling, CNC turning, Swiss machining, 3D printing, and rapid prototyping. We can also provide die casting, injection molding, and sheet metal fabrication services. In addition to a broad selection for machining, we also offer a series of post-processing options to improve cosmetics or enhance mechanical properties. Our machined parts are generally used by professional engineering companies and original equipment manufacturers worldwide. We serve a vast number of industries including Automotive, Electronics, Optics, Medical, Oil & Gas, Tool & Die, Dental, Monitoring equipment, Motorcycle & Bicycle, and so on.
We have a fast, efficient, and effective solution for your CNC machining project. This gives you the chance for prototyping tests of form, fit, and function, or for parts production. Evaluation and functional testing of the product enable your product to be optimized before taking it to the market.
What Can you Count on Runsom?
Rapid Lead Time
24/7 Customer Support
Factory and Facilities
Runsom possesses a full set of advanced equipment including 3-axis, 4-axis, and 5-axis CNC machines with tolerances of ± 0.0005 in and ±0.01 mm, allowing us to produce parts with high precision, complex geometry, and tight tolerance. The materials we use are all ordered from the unified material supplier base, ensuring they are the exactly correct and good-quality ones for each product.
we have a rigorous supplier vetting process and only accept top-performing partners to ensure we continue to deliver the highest quality parts to our customers. We also have people on the ground completing regular quality checks of our partners’ facilities.
Paired with rich expertise of our highly skilled machinists and well-trained workforce, our machining center can perfectly match each crucial requirement and specification. And our automotive coordinate measuring machines (CMM) perform a complete inspection to make sure each part is produced exactly to your specifications and generate measurement results quickly.
ISO Certified Manufacturer
Our ISO 9001:2015 quality system is not only an operation standard for us but also our core business functions in every aspect. We start with the assistance of custom product design to final parts assembly and shipment. Our specialized manufacturing with quality control guarantees excellent service for customers worldwide.
Mold manufacturing quality control
As your loyal supplier, we have strict manufacturing quality control in all manufacturing processes. To ensure these control processes can be implemented in place, we schedule the following steps:
- Part Design Checking
- Mold Design Control
- Raw material inspection
- Visual inspection
- FAI – First Article Inspection
- PPAP – Production Part Approval Process
- Mold Steel Hardness Inspection
- Mold Electrodes Inspection
- Mold Core and Cavity Steel Dimension Inspection
- Mold Pre-Assembly Inspection
- Mold Trial Report and Samples Inspection
- Pre-Shipment Final Inspection
- Export Product Package Inspection
Our Ultra-Precision CNC Parts Serve Industries Worldwide
What makes Runsom exceed other counterparts are concentration on detail, commitment to precision, and possession of comprehensive knowledge and skills, earning a good reputation across a wide range of industries, including：
Frequently Asked Questions
The material we mostly process:
Ceramic, Carbon fiber, etc.
Our latest technology includes:
- CNC Milling Service
- CNC Turning Service
- CNC Milling and Turning Multiple
- Multi-axis CNC Machining
- Rapid Prototyping
- Mechanical Parts Design
- Precision Engineering Services
- Parts Assemble
- EDM-Wire Cutting
- Laser Cutting
- Precision Grinding
- Swiss Turning Machining
- Auto-Lathing Turning
- Injection Molding
- Die Casting
- Investment Casting
- Sheet Metal Fabrication
Production Capabilities Minimum Tolerance:
- Outer diameter dimension(turning Process) 0.01mm.
- Outer diameter dimension(centerless grinding process) 0.005mm.
- Outer diameter dimension(step grinding process) 0.005mm.
- Internal diameter dimension(turning process) 0.01mm.
- Center distance dimension(CNC milling process) 0.01mm.
- length, width, high(CNC milling process) 0.01mm.
- surface roughness Ra0.4a.
- Run-out 0.01mm.
- Roundness 0.01mm.
- Flatness 0.01mm.
- perpendicular 0.01mm.
- Cylindricity 0.01mm.
We can provide a drawing for Manufacturing review according to your current 2D, or 3D CAD draft, or a sample offered by you. Surely, we will sign and adhere to any non-disclosure or confidentiality agreement if your design is confidential.
We respond within 24 hours when receiving an RFQ. Normally, a quotation will take 1-3 days. If it is delayed, we will notify you as soon as possible.
Please feel free to get a rapid quote right now!
The lead time is normally 2-3 weeks when receiving your complete 2D or 3D CAD models from the order date. Complex parts or large orders will take longer.
We are able to be competent for some urgently needed projects as well. As for shipping, most of our shipments are via Express or by Air, which may take 3-7days to your door.
In order to accurately and timely quote, we only accept 3D CAD files in STL, SLD, STEP, or IGES format. 2D drawings with reference dimensions must be in PDF, DWG format.
From raw material incoming to product shipment, we control every step to ensure all these are absolutely according to the customer’s requirements. All products should have 4 steps during the whole manufacturing process:
- Raw material inspection.
- In-processing inspection.
- Final inspection.
- Outgoing inspection.
Our precision machined components are implemented of ISO9001:2015, combined with our in-house quality control system and measuring equipment, ensuring problem-free products.
To ensure the high quality of our machined components, we have a detailed quality control system and fully equipped measuring equipment. We guarantee all the dimensions based on the information provided by you. We have confidence in our ability to meet and exceed any reasonable expectations.