You cannot create a completely new material type from scratch.
Instead, you can only create new type by copying from existing one in tcode OMS2.
And it could be downloaded to CRM system via customizing download:
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SAP ERP里如何创建一个新的material类型
- 2020-01-31
- Admin
原文：https://blog.csdn.net/i042416/article/details/104125803
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