China Customized Screw Knurled Shoulder Bolt Thumb Screw Knob Aluminum Stainless Steel Anodized Screw

Precision CNC Machining Services — Built for Custom Projects with ±0.01mm Accuracy

With over 20 years of experience in the CNC machining industry, we provide high-precision custom metal processing tailored to your requirements. Our team specializes in machining non-standard components with extremely tight tolerances, making us a trusted partner for precision-critical applications.

Technical Capabilities

• Tolerance Accuracy: ±0.01mm

• Size Range:
  • Width: 1.5mm to 80mm
  • Length: Up to 1000mm

• Materials Available: Stainless steel, carbon steel, aluminum, copper, and more

• File Formats Accepted: 2D/3D CAD drawings (PDF, DWG, DXF, STEP, IGS, STL)

• Services: Milling, turning, drilling, threading, deburring, finishing

We support both prototyping and low-volume production with reliable lead times and competitive pricing. Whether you have custom drawings or physical samples, we can turn your concepts into high-accuracy components.

Quality Control & Inspection

Our factory operates under ISO 9001 quality standards. All parts go through dimensional checks with precision tools including micrometers, calipers, and CMM equipment.

• In-process and final inspections

• Inspection reports available upon request

• Guaranteed consistency and performance

Frequently Asked Questions

What tolerances can you meet?
We are capable of achieving ±0.01mm depending on part geometry and material. If your tolerance is more demanding, our team can advise during evaluation.

Do you offer samples?
Yes, we provide prototypes with quick turnaround. Most samples can be delivered within 3–7 working days.

What materials do you machine?
We commonly work with stainless steel, carbon steel, aluminum, copper, and related alloys. Other metals may be available upon request.

Can I provide a 3D file or physical sample?
Absolutely. We accept a variety of CAD file types and can reverse-engineer from samples if needed.

Do you ship internationally?
Yes, we ship globally via FedEx, UPS, DHL, or freight. We frequently serve customers in the US and Europe.

How do you ensure part quality?
All parts are fully inspected before shipping. Dimensional reports and material certifications are available on request.

Send us your drawings or part requirements today—we’ll respond within 24 hours with a quote and lead time.

    XIAMEN SHANG SHANG TECHNOLOGY CO., LTD is a medium-sized private enterprise specializing in precision hardware turning parts, cold heading parts, stamping parts and other processing. It is located in No.179 Tongan Park, Tongan Centralized Industrial Zone, Xiamen City, with more than 5000 square meters of plant, and has been committed to the precision hardware machining industry for nearly 20 years, and has passed the ISO9001 quality certification, and has a wealth of experience in non-standard customization.

In the course of development, our company has won many honors and commendations for its outstanding performance and positive social contributions. These include “Advanced Grassroots Labor Union”, “Workers' Pioneer” and “2011 Harmonious Enterprise”. In the future, we will continue to uphold the fine tradition and strive to create new achievements in various fields to promote the sustainable, healthy and harmonious development of the enterprise.

Our factory have more than 5,000 square feet of plant, we have devoted ourselves to the precision hardware machining industry for nearly 20 years, passed ISO9001 quality certification, and have rich experience in non-standard customization.