Keyoint Management System – Supervising and Standardized Production

A worker is supervising the wedge wire cylinder production.

Apart from raw material quality control, we conduct strict production standard based on enterprise principles and international standard to guarantee all keypoint parameters are under controlled.

Keypoint – Quality Standards

We adhere to internationally recognized standards, such as ISO, ASTM, GB/T, and JIS, as well as any customer-specific standards.

  • Raw material standard
    • ASTM A580/A580M Specification for Stainless Steel Wire
    • ASTM A269 Standard Specification for Seamless Stainless Steel Tubing
    • ASTM A555/A555M Standard Specification for Stainless Steel Wire and Wire Rods
  • Slot Standard
    Slot Tolerances As Per ISO Standard
    Slot Size Slot Tol. 80% Slot Tol. 20%
    0.08 to 0.099 ±0.05 ±0.075
    0.10 to 0.59 ±0.05 ±0.10
    0.60 to above ±0.10 ±0.15
  • Dimensions Tolerance standard
  • Product Standard
    • JB/T 3278-2015: 焊接条缝筛板 (Welded Sieve Plate With Batten)
    • SY/T 5182-2008: 绕焊不锈钢筛管 (Wire-Wrapped Stainless Steel Screen Pipe)
    • JB/T 4265-1999: 弧形筛 (Sieve Bend)
    • GBT 26886-2011: 粮油机械 压力曲筛 (Grain and oil machinery – Pressure screen)
    • ISO 17824:2009 (Modified): Petroleum and natural gas industries – Downhole equipment – Sand screens
  • Thread Standard (Flange & Pipe Thread)
    • ASME B16.5-2017: Pipe Flanges and Flanged Fittings
    • ASME B1.20.1-2013: Pipe Threads, General Purpose (Inch)
Keypoint – Full-time monitoring

Our skilled workers are full-time monitoring during the whole production process. They will monitor the supply of raw materials and the operation of the equipment to ensure smooth and efficient production, as well as timely detection and resolution of malfunctions.

Wire drawing production monitoring

Welding production monitoring

Keypoint – Sample Test

We adopt sampling during wedge wire screen production, involving taking periodic samples of the product at different stages of manufacturing to ensure that it meets the required specifications and quality standards.

Raw material sampling

Wedge wire screen tube slot sampling

Wedge wire panel support rod sampling