Our Blog
How Should You Specify Cleanliness Requirements for Machined Parts?
We see this problem on nearly every new project: a drawing arrives with a note that says "parts shall be clean and free of contamination." That sounds reasonable. But when…

How Do I Communicate RoHS Compliance Requirements to My Chinese Wire EDM Supplier?
We have shipped wire EDM parts to North American clients for years. One thing we see repeatedly: buyers assume their supplier understands RoHS. They rarely do — not at the…

How Do I Verify That Plating or Coating Thickness Meets My Drawing Requirements?
We have rejected more shipments over plating non-conformance than almost any other defect category. The parts look fine. The supplier says the COC is attached. But once our team runs…

Is Surface Treatment Done In-House by the Wire EDM Factory, or Outsourced to a Coating Shop?
At our wire EDM workshop, we get this question from US buyers almost every week. Many assume coating happens under one roof. The truth often surprises them. Most dedicated wire…

How Should I Specify Rust Prevention and Packaging Requirements for Wire EDM Parts in My Contract?
We have seen it happen more times than we would like to admit. A batch of wire EDM parts passes inspection at the factory, gets loaded into a container, crosses…

Does Wire EDM Really Produce Burr-Free Parts — And When Do You Actually Need a Deburring Step?
We source wire EDM parts from factories across China and Vietnam every week. When a client sends drawings with a simple "deburr all edges" note, we often pause — because…







