WEKO's quality management system has been established in accordance with ISO 9002 standard since 1995 and certificated for ISO 9001:2015 on 2018. All inspection activities are monitored to the conformance of the written instructions complying with the requirements of customers' orders. All the findings of the inspections and test results of conformances or nonconformance are recorded in written papers and maintained for 3 years by our QA department who has also the responsibility of audit to verify our entire operations comply with the specified manufacturing methods, process control methods, corrective action procedures or any work execution flows  which may affect employees' concepts of quality and responsibility. SAME PROCESS SHOULD ALWAYS RESULT IN SAME QUALITY is our belief.