• Quality Control

Quality Control

Managing quality by the ultimate standard

By any modern statistical measure, Shenzhen Machine Screw Parts Inc. meets or exceeds the quality standards of the world's most demanding industries.

  • ISO 9001:2008 certified
  • Fully compliant with the exacting requirements of our customers
  • Compliance in DFARS materials sourcing requirements
  • Strict compliance with PPAP and Process FMEA for automotive customers
  • Skilled in KanBan and other customer driven quality and inventory management systems
  • ITAR registered

Meeting these requirements focuses our working environment on process control metrics. Shenzhen Machine Screw Parts Inc. customers benefit from the X-bar and R charting, histograms, capabilities studies and CPK analyses that are a daily reality on the Shenzhen Machine Screw Parts Inc. shop floor.

Amidst this wealth of data, one number stands out as essential in defining Shenzhen Machine Screw Parts Inc. quality. The number is 1956, the year of our founding. Shenzhen Machine Screw Parts Inc. was created in an era when quality wasn’t just a statistic, but a relationship of personal trust that meant you could count on a company to deliver on its promises. By sustaining this tradition of pride alongside a commitment to process control, we’ve found what we believe to be the most reliable and reassuring standard of quality by any measure.


  • Deltronics DH 214 digital comparators – 9 machines
  • Oasis Inspection Systems - 6 machines
  • Microscopes with 10X and 20X magnification – 26 units
  • Micro digital photo capability using VoloView software
  • Profilometer – Mitutoyo SJ-400 - 2 units
  • Gear Checker – VariRoll VR-210
  • Hardness Tester – Clark DCR-8
  • Starrett Digital Video System - 1 unit
  • Keyence optical comparators - 3 machines
  • Hexagon Manufacturing Intelligence coordinate measuring machine - 1 unit
  • Full Complement of precision micrometers, calipers, surface plates, digital height indicators, standard plug, ring & thread gages

Quality Policy

"We are committed to enlisting the full support of all employees to continuously improve our processes and enhance quality, thereby fulfilling our customer's needs with defect free products and services, on time and every time."

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Our Clients Say

  • QMED
  • Shenzhen Chamber of Commerce
  • ITAR
  • TUV
  • NTMA
  • SAMA
  • PMPA