Perforated Helical Blade

Welding Quality Certification – Recognized by International Authorities

• All our welding processes strictly comply with the ISO 9001 quality management system and have obtained the following certifications:

  CWB (Canadian Welding Bureau) W47.1 Certification – Canada’s highest welding standard;

  CE Certification – meeting the requirements of the EU market.

• The CWB welding certification is equivalent to:

  AWS D1.1 (American standard);

  AS/NZS 1554 (Australian standard);

  EN ISO 3834 (EU standard).

Our welding quality not only meets Chinese standards but also fully aligns with strict international requirements.

• Standard materials: Q235B and Q355B steel plates;

  Both materials have corresponding international standards and are widely recognized;

  Under the technical guidance of Canadian engineers, we combine strict material selection with mature OEM/design-assisted OEM capabilities to ensure the high performance of Screw flights.

We provide OEM and design-assisted OEM services, enabling rapid customization of screw flights according to the specific needs of customers’ projects.

International Material Comparison Table

Conclusion: Both Q355B and Q235B have direct international equivalent materials. Customers can use them with confidence, as they comply with engineering standards in North America, Europe, and Australia.

• With the support of professional guidance and training from Canadian engineers, and combined with 15 years of manufacturing experience, we ensure every screw flight meets the following standards:

  Strict material selection;

  High-precision flight forming;

  Welding certification in line with international standards.

Beijing Sichuang Jiade Pile Machinery Manufacturing Co., Ltd. = Authentic Design, Reliable Performance, and Globally Trusted Quality.