原材料厂商变更问题

zheala17 · 发表于 2010-4-20 20:33

一开始UL申请的时候，我们用的是帝人公司的聚酯薄膜，后来杜邦公司与帝人公司合资生产聚酯薄膜之后，我们用的就是杜邦-帝人公司的聚酯薄膜了，现在UL工厂审查就发现我们UL文件上写的帝人公司和实际的杜邦-帝人公司的这个供应商对不上，现在应该怎么办？需要重新送样测试吗？烦啊！

Andy.Yang · 发表于 2010-4-20 21:01

Normally, there are three cases for your question:
1. Actually the material is not changed, and the UL file No.(Exxxxx) is also not changed,just the manufacturer's name is changed because of the merging of these two factories, don't afraid of this case, deliver this information to UL engineer, no additional tests and reevaluation are needed, and at this time, you can explain to the UL field representative about this case, I think most the UL auditor can accept this case without reconfirmation...
2. Actually the material is not changed, but the UL file No. and the manufacturer's name are changed cause of the merging of these two factories, at this time you must deliver this information to the UL engineer, but I still think it only needs paper work for UL engineer, and you also can persuade the UL factory auditor (field representive) to temporarily accept this case for one time.
3. Actually the material is changed, including the Model/Type No., UL file No., and the manufacuturer's name, at this time a VN must issued by the UL autior, and you must send new samples to the UL engineer to reevaluate this change, as for the tests, the UL engineer will decide whether some tests need to be done, or not.

so which case suits you?

zheala17 · 发表于 2010-4-20 21:26

我们公司应该是属于第二种情况了~

Andy.Yang · 发表于 2010-4-21 08:34

So, pls contact the UL Suzhou office as soon as possible, provide the new UL file No. and the manufacturer's name to the UL engineer, as well tell the story to the UL engineer, and push them to deal with this case ASAP, at the same time, keep the e-mail which you send to the UL engineer and some related documents which can prove that you've already taken action for this issue, then you can show this information to the UL factory auditors when they come to do the audit. Under this case, if the UL factory auditor still want to issue a VN to this change, I think the UL CAS department also can accept this VN at least for one time...
Make a conclusion, currently you must deliver the change information to UL engineer, then waiting....

zheala17 · 发表于 2010-4-21 17:49

非常感謝Andy.Yang耐心的回答

huan0714 · 发表于 2018-4-25 19:49

Andy.Yang太牛了

agachen · 发表于 2018-4-29 07:52

MV,

學習了

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[UL认证] 原材料厂商变更问题

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