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About Us

Shanghai Yijun specializes in global high-precision micro screw solutions. As a technology-driven manufacturer in the micro fastener field, we are committed to providing ultimate Precision Screws ranging from M0.5 to M3 specifications for the aerospace, medical device, precision electronics, and micro machinery industries.Through an ISO9001-certified production system and fully automated digital production lines integrating CNC turning centers with optical inspection equipment, we achieve millimeter-level precision control with tolerances of ±0.002mm.

Our core strengths include micrometer-grade manufacturing capabilities that enable mass production of full-range Micro Screws from M0.5 to M3, covering over 12 materials such as titanium alloy, stainless steel, copper, aluminum, and carbon steel; zero-defect quality control through 100% full inspection achieving defect rates below 50 PPM; complemented by an agile supply chain capable of delivering million-unit orders within 15 days.

Continuously advancing micro-fastening technology R&D, Shanghai Yijun serves clients across 35 countries worldwide.

2025

Year Established

200,000RMB

Capital (Million US $)

  • Company Info
  • Trade Capacity
  • Production Capacity
Company Info
Business Type : Manufacturer , Exporter
Product Range : 12 Point Socket Screws (SPU) , Screws , Hexalobular Socket Head Cap Screws (SPU)
Products/Service : micro screws , Micro fasteners , Precision screws , Mini screw , Precision screw , Non-standard micro screw
Capital (Million US $) : 200,000RMB
Year Established : 2025
Certificate : ISO9001
Company Address : 1st Floor, No. 1 Yewang Road, Yexie Town, Songjiang District, Shanghai, Shanghai, China
Trade Capacity
Trade Information
Incoterm : FOB,CFR,CIF,EXW,FCA,CPT,CIP
Product Range : 12 Point Socket Screws (SPU) , Screws , Hexalobular Socket Head Cap Screws (SPU)
Terms of Payment : L/C,T/T,D/P,Paypal
Production Capacity
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