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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd
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Quality Control
Quality Assurance & Certifications​
Our company places paramount importance on quality control and technological innovation. Our core products—including Fiberglass Roving, Carbon Fiber Fabric, Woven Glass Fiber Fabric , and Chopped Strand Mat—have obtained the ISO9001 Quality Management System Certification. Through standardized production processes, we ensure consistent quality stability and reliability across the entire value chain from raw materials to finished products.

Innovative Patent Portfolio​
We maintain a strong focus on R&D, having developed multiple proprietary technologies with certifications covering:
  • Resource Recycling: Methodology for producing circuit board glass substrates using alkali - free fiberglass waste silk
  • Process Optimization: Composite device for preventing material stacking in new - generation material plates
  • Advanced Material Applications: Equipment for treating artificial rib components with silicon carbide - matrix carbon fiber composites
  • Automated Production: Integrated machinery solutions for glass fiber chopped strand mat packaging, fabric slitting, and production - line packing
These innovations span sustainable resource utilization, manufacturing efficiency enhancement, high - performance material engineering, and intelligent automation—strengthening our technical barriers while advancing industry standards through eco - friendly practices. This dual commitment underscores our leadership in both quality assurance and breakthrough technological development within the fiberglass and composite materials sector.

Certifications

Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Quality Management System
Number: 60625Q0105R0S
Issue Date: 2025-04-18
Expiry Date: 2028-04-17
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Quality Management System
Number: 20625Q0165R0S
Issue Date: 2022-04-17
Expiry Date: 2028-04-17
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Quality Management System
Number: 30375Q0304R0S
Issue Date: 2025-01-18
Expiry Date: 2028-01-17
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Quality Management System
Number: 60545Q2025R0A
Issue Date: 2025-03-25
Expiry Date: 2028-03-25
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Patent
Number: 3956135
Issue Date: 2020-08-25
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Patent
Number: 5820018
Issue Date: 2023-03-28
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Patent
Number: 3847957
Issue Date: 2020-06-19
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Patent
Number: 6479364
Issue Date: 2025-05-20
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Patent
Number: 6721846
Issue Date: 2025-01-21
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Patent
Number: 7812453
Issue Date: 2025-03-31
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Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd Certifications
Standard: Test Report
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Company Profile

Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd

Contact Person: MrLiu

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