Langfang Ousen Technology Co., Ltd

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Quality Control

Strict control, quality first. From raw material storage to finished product delivery, every process undergoes precise testing to ensure excellent product performance, stability, and reliability. We promise that every insulation nail is a commitment to quality.

Certifications

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Standard:
Number:
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Standard:	检测报告
Number:	202603DW025
Scope/Range:	射钉
Issued By:	建筑材料工业干混砂浆产品质量监督检验测试中心

Standard:	质量罐体体系认证证书
Number:	04625Q12568R1S
Issue Date:	2025-06-04
Expiry Date:	2028-06-08
Scope/Range:	塑料制品（保温管、保稳钉、塑料圆盘）
Issued By:	北京海德国际认证有限公司

Standard:	检验报告
Number:	202603DW024
Scope/Range:	保温钉
Issued By:	建筑材料工业干混砂浆产品质量监督检验测试中心

Company Profile

Langfang Ousen Technology Co., Ltd

Contact Person: MrZhang

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