• Primary Materials: 304 Stainless Steel (Industrial Grade)

• Premium Materials: 316L Stainless Steel (Medical/Surgical Grade)

• Material Properties: Excellent corrosion resistance • High mechanical strength • Good biocompatibility

1. CNC Precision Forming - Five-axis CNC machining ensures needle geometry accuracy

2. Special Grinding Process - Diamond grinding wheel precision grinding

3. Flat Milling Processing - Precision milling of flat surfaces for enhanced functionality

4. Electroplating Treatment - Surface plating treatment improving smoothness and corrosion resistance

5. Laser Marking - Permanent identification marking

6. Cleaning & Packaging - Ultrasonic cleaning + vacuum packaging

Our precision needle series products are manufactured using premium 304/316L stainless steel through advanced CNC machining and special grinding processes. The needle tips feature precision machining ensuring puncture accuracy and safety. Electroplating surface treatment provides excellent corrosion resistance and smooth surface quality. Customized flat milling and marking services meet special application requirements.

• Medical Applications: Minimally invasive surgery • Orthopedic traction • Pneumoperitoneum surgery • Blood collection • Drug injection

• Industrial Applications: Precision instrument probes • Micro-fluidic control • Material sampling • Quality testing

• Scientific Research: Laboratory micro-injection • Cell operation • Micro-sample collection

• Non-standard specifications and sizes

• Various tip shape designs (capillary, triangular, etc.)

• Special surface treatment requirements

• Product identification and traceability marking

• Special packaging solutions

• Full compliance with medical device quality management system

• Complete material traceability

• Biomedical compatibility testing reports

• Comprehensive product performance testing

• Batch quality consistency assurance

Dongguan Yu Lin Sen Metal Technology Co., Ltd.: Has obtained the GB/T 19001-2016/ISO 9001:2015 quality system certification, as well as the GB/T42061-2022/ISO 13485:2016 medical device quality system certification. Focuses on the research and production of non-standard metal medical device precision parts, mainly as machined metal products. It possesses dozens of high-precision engra-ving lathes and CNC equipment, including CNC numerical control, numerical control centering machine, automatic lathes, turning milling com bined machines, precision laser cutting processing of stainless steel capillary tubes and stainless steel thin-walled tubes for sec-ondary processing. Main materials: stainless steel tubes, stainless steel, copper, alu minum alloy, etc. for non-standard processing and customization. Widely applied in tools, electronics, electri cal appliances, medical devices, automotive parts, transportation, and other industries. The company has been recognized by the industry for its "quality-oriented, honest operation" philosophy, mainly providing non-standard part prototyping and batch production processing, supporting custom drawings and sample customization, etc. The process flow is stable and efficient, integrating industry and trade for rapid delivery, with craftsmanship spirit ensuring quality, without middlemen, excellent value for money, and the company adheres to the business philosophy of "customer first, quality first, striving for excellence, win-win coopera tion", "Confident and reliable after-sales guarantee!!!".

It has obtained the quality system certification in accordance with GB/T 19001-2016/ISO 9001:2015, as well as the medical device quality system certification in accordance with GB/T 42061-2022/ISO13485:2016. We focus on processing and customizing products for medical device hardware, and we have dozens of preci sion CNC lathes and precision laser cutting processing equipment. We also have a R&D team composed of senior engineers and technicians. We are committed to providing customers with high-quality and high-precision processing and customization services for hardware parts, ensuring that each product meets the strict standards and requirements of the medical device industry. Through continuous optimization of production processes and improvement of technical levels, we can meet the diverse needs of customers and contribute to the development of the medical device industry.