资质证书
龙发机械通过 ISO 9001、ISO 14001、ISO 45001 三大体系认证，拥有多项商标注册和产品检测报告，确保产品质量与合规性。
ISO 体系认证
国际标准管理体系认证
ISO 9001
Registration No.:00625Q30501R6M
Validity:2025-05-19 ~ 2028-05-21
认证范围：Machining and repair of steelmaking, rolling mill equipment components; processing of stainless steel decorative tubes
ISO 14001
Registration No.:00625E30400R6M
Validity:2025-05-19 ~ 2028-06-03
认证范围：Machining and repair of steelmaking, rolling mill equipment components; processing of stainless steel decorative tubes
ISO 45001
Registration No.:00625S30403R6M
Validity:2025-05-19 ~ 2028-06-03
认证范围：Machining and repair of steelmaking, rolling mill equipment components; processing of stainless steel decorative tubes
Trademark Registration
国家知识产权局核准注册商标
注册商标
Dalianli
注册号：78194042
注册商标
Qirong
注册号：78200076
Product Test Report
第三方权威检测机构出具
检测报告
Welded Stainless Steel Tube Inspection Report for Decorative Use
报告编号：L26-WT80176WW
检测报告
Welded Stainless Steel Tube Inspection Report for Decorative Use
报告编号：L26-WT80175WW
