In machining and hardware part supply chains, many people share the same feeling: There seem to be more and more documents—yet customers usually care about only one or two each time. The real point isn’t whether you have every  document. It’s whether you can identify which stage of risk the customer is focusing on right now. --- 1. What Are the 6 Most Common Compliance Documents for Hardware Parts? In practice, the documents that appear most often—and cause the most confusio

In machining and industrial hardware supply, after customers finish confirming RoHS, REACH, and PFAS Free, the next question that often comes up is: “Do you have an EN 10204 3.1 material certificate?” For many suppliers, this document looks like just an English report—but in reality, it often becomes a key factor in whether the customer will move forward with cooperation. --- 1. What Is EN 10204—What Does It Actually Control? EN 10204 is a document standard established by the