南京大中電極實業(yè)有限公司成立于1999年，是專業(yè)從事電阻焊電極材料---鉻鋯銅、鎳鈹銅、鈹青銅等研發(fā)生公司。本公司采用真空熔煉、熱鍛（熱擠）、固溶、冷鍛（冷拉）、時效工藝生產的銅合金，廣泛用于電阻焊系列電極材料、模具及電機制造。本公司利用自產材料的優(yōu)勢生產成品電極、電極帽、滾焊輪、短路環(huán)及各種導電嘴和螺柱焊夾頭，廣泛用于汽車、航空、牽引電機及鋼結構等領域?？蛻舯榧皻W美、大洋洲、東南亞、中東及全國二十八個省市，尤其是螺柱焊系列夾頭深受德國、西班牙、美國及北美地區(qū)國家的青睞。   Founded in 1999, Nanjing Dazhong Electrode Products Industrial Co., Ltd. specializes in the research, development and production of resistance welding electrode material, namely the copper alloy and its products. The company has advanced production technology and sophisticated processing equipment, as well as a complete range of test measures. Using the vacuum melting-hot forging-solid solution-cold drawing-aging technology, the company produces the electrode alloy chromium-zirconium-copper (CuCrZr), nickel-beryllium-copper (NBC), CuBe2 and resistance welding electrode which are widely used in the welding of low carbon steel and stainless steel and manufacturing of motors. The cap electrode, bent electrode and shank, wheel electrode, short circuit ring and all kinds of contact tip and stud chuck are widely applied in auto, aerospace, propulsion system, petrochemical, shipbuilding, home appliances, steel construction and other industries. Welding quality is stable and reliable. Our customers are all over the country, Europe and America, particularly well known in United States, Germany, Spain, Russia, Australia, Japan, Korea, South East Asia, Middle East, Brazil and so on.