Our main products are follow: copper-allay , centrifugal casting, easy-to-cut copper rod., copper screws , stainless steel screws ect. With professional spirits, our company supplies US, UK and German manufactures in a big quantity. Our products follow ISO9001 International quality system authentication . Furthermore, the EDM wire is our main export product, the superiority of our EDM Brass Wire is as follow: 1. Complete production from raw material to end product. During production, composition and property of master wire can be controlled through production processes. 2. Contains no copper powder, extending service life of parts and related to efficiency. 3. Good tensile strength, good diameter tolerance. We can guarantees precision, 1000N/m strength, wire diameter tolerance within+/ -0.001mm , good exceeding 98% good surface quality, high precision, high efficiency and non-sticking. 4. International standard: JIS(Japan), DIN(German), GB(China) Diameter: 0.10mm , 0.15mm , 0.20mm , 0.25mm , 0.30mm . Spool type: JIS P-- -3kg , 5kg , 10kg , 15kg ; DIN K-- -3.8kg , 6.5kg , 16kg . If you can find everything is good, I think you can place a small order for the quality test, and we are willing to send you two spool free sample in your freight for your test. If you have any question, please look through our website: e-mail:xxxxx we appreciate your orders! http://xxxxx