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ASNZ China Windows Business Case Study


Audit Report on Chinese Window Factories for Glass and Window Certifications


We completed a comprehensive audit of Chinese window and glass manufacturers to ensure compliance with New Zealand and Australian standards. From a pool of nine suppliers, only one met all the stringent requirements.


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WeGoma German Brand Window Fabrication Machinery

German Brand: WEGOMA's machinery is known for its precision, durability, and advanced technology, catering to a wide range of production needs from small-scale operations to large industrial manufacturers. Their equipment often features automated processes, ensuring consistency and accuracy in window and door production.

 


The Window Inspection


Client Opinion: "As a Builder it the very best quality I have ever seen in my entire career"


From our Ressearch, Aothenticated Genuine, Our Key Findings:

  1. AS/NZS 2047-2014: Ensures windows and doors meet safety, structural, and energy efficiency standards. Only 7 suppliers fully complied.

  2. AS/NZS 2208:1996: Specifies safety glazing materials to prevent injury. Full compliance was seen in 5 suppliers.

  3. AS/4666-2012: Defines requirements for insulating glass units for better thermal and acoustic insulation. Only 2 suppliers fully met this standard.

  4. AS 1288: Provides guidelines for selecting and installing glass in buildings. 3 suppliers met these guidelines comprehensively.

  5. AGGA: Represents the glass and glazing industry standards. Only 2 suppliers were AGGA members.

  6. AGWA: Promotes high standards for glass and window products. Only 1 supplier had AGWA certification.

  7. WERS: Rates the energy performance of windows. One supplier's products were WERS-rated.

  8. AWA: Promoted high standards in the window industry. Certification was held by one supplier.

  9. NATA: Ensures rigorous testing and inspection for compliance. One supplier was tested by a NATA-accredited agency.



From a China Pool, we have shortlisted 9 Suppliers with ASNZ Certificates, but only 1 of them had the depth we are looking for; Here is what we found:


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Audit Report on Chinese Window Factories for Glass and Window Certifications

Introduction

In an effort to source high-quality glass and window products from China, we conducted a thorough audit of nine potential suppliers. Our goal was to identify manufacturers that comply with New Zealand and Australian standards, ensuring safety, performance, and energy efficiency. From this pool, six suppliers held AS/NZS certifications, but only one demonstrated the depth and comprehensive adherence to all the necessary standards. This report outlines our findings and the importance of each certification.

Findings



AS/NZS 2047-2014: Windows and External Glazed Doors in Buildings

  • Importance: This standard specifies the performance requirements for windows and external glazed doors, ensuring they meet safety, structural, and energy efficiency standards. Compliance guarantees that these components can withstand environmental conditions like wind pressure, water penetration, and air leakage, crucial for maintaining building integrity and sustainability.

  • Audit Result: 7 suppliers provided comprehensive evidence of compliance with AS/NZS 2047-2014.


AS/NZS 2208:1996: Safety Glazing in Buildings

  • Importance: This standard outlines the specifications for safety glazing materials, designed to minimize injury from glass breakage. Compliance is essential for building safety, particularly in high-risk areas such as doors, bathrooms, and floor-level windows. Materials include toughened glass, laminated glass, and wired glass, all tested for impact resistance and other safety features.

  • Audit Result: 5 suppliers demonstrated full compliance, including certification and testing protocols.


AS/4666-2012: Insulating Glass Units

  • Importance: This standard defines the requirements for insulating glass units (IGUs), which improve thermal and acoustic insulation. IGUs consist of multiple glass panes separated by a gas-filled space to reduce heat transfer and noise. Compliance ensures durability, performance, and energy efficiency, contributing to reduced energy consumption and enhanced indoor comfort.

  • Audit Result: Full compliance was observed in 2 supplier's IGUs, supported by certification and performance tests.


AS 1288: Glass in Buildings - Selection and Installation

  • Importance: AS 1288 provides guidelines for selecting and installing glass in buildings, covering various types of glazing and their appropriate use. This standard is vital for ensuring the right glass is used based on factors like wind load, human impact safety, and thermal performance, maintaining the safety and functionality of glazed structures.

  • Audit Result: Only 3 suppliers met the selection and installation guidelines comprehensively.


AGGA: Australian Glass & Glazing Association

  • Importance: The AGGA represents the glass and glazing industry in Australia, offering guidelines, training, and certification. Membership indicates adherence to industry standards and best practices, ensuring high-quality workmanship and compliance with national standards.

  • Audit Result: 2 suppliers was a member of AGGA, demonstrating a commitment to industry standards.


AGWA: Australian Glass & Window Association

  • Importance: AGWA promotes high standards for glass and window products, offering certification, technical support, and training. Certification signifies compliance with stringent standards, enhancing consumer confidence and product reliability.

  • Audit Result: Only one supplier had AGWA certification.


WERS: Window Energy Rating System

  • Importance: WERS rates the energy performance of windows, aiding consumers and professionals in making informed decisions. Compliance with WERS is essential for meeting energy efficiency requirements in building codes and achieving higher energy ratings, leading to cost savings and environmental benefits.

  • Audit Result: One supplier's products were rated by WERS.


AWA: Australian Window Association

  • Importance: The AWA, now part of AGWA, promoted high standards in the window industry through certification, advocacy, and education. Its legacy continues to support quality assurance and regulatory compliance.

  • Audit Result: Certification from the AWA was held by one supplier.


NATA: National Association of Testing Authorities, Australia

  • Importance: NATA accreditation ensures that inspection agencies meet international standards for technical competence. In glass and window certification, NATA-accredited agencies conduct rigorous testing and inspection to ensure compliance, providing assurance of impartiality and reliability.

  • Audit Result: One supplier's testing was conducted by a NATA-accredited agency.

 


Conclusion

Compliance with these standards and certifications is crucial for ensuring the safety, performance, and energy efficiency of glass and window products. They provide a framework for industry best practices, safeguarding building occupants and enhancing sustainability. From our pool of Chinese suppliers, only one met all the necessary standards, demonstrating the importance of thorough due diligence in sourcing reliable and high-quality products.

 

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