Quality policy · scope
Quality is our promise of performance.
From enquiry to after-sales support — our quality management system covers every process around the trade of seamless stainless steel tubing and the related consulting and processing services.
Certified
Our quality management is certified to DIN EN ISO 9001:2015 — TÜV Rheinland, reg. no. 01 100 2500992, valid until 2029-06-17.
Guiding statement
Schierle Siyaya, the first point of contact for seamless stainless steel tubes.
We meet the requirements of all stakeholders, deliver the highest quality, grow internationally and create added value in everything we do — sustainably.
The 14 principles
Our quality policy, in detail.
Tap any principle to read the full description.
Document
The complete quality policy as a PDF.
Download the signed document in the original layout — ideal for audits and supplier or customer approvals. The PDF is in German.
Download quality policy