Tengzhou Fengda Metal Zvigadzirwa Co., Ltd., chikamu cheFENG ERDA GROUP. Inosimbiswa muna 1998, kune vashandi mazana maviri nemakumi matanhatu vane mari yakanyoreswa yemamiriyoni makumi manomwe nemashanu emari uye gore negore rinobuditsa huwandu hwemamiriyoni mazana mana emamiriyoni. Kune mitsara mitatu yekugadzira otomatiki, inonyanya kuburitsa simbi abrasives, izvo zvigadzirwa zvikuru ndezvi: (foundry) yakakwira kabhoni simbi kupfura / simbi grit, yakaderera kabhoni simbi kupfura / simbi grit, (yekugadzira kukuya) simbi waya yakatemwa kupfura, chiwanikwa alloy kukuya, isina chinhu simbi kupfura, mhangura kupfura, aluminium kupfura, zinc kupfura, (patent zvigadzirwa) zvine simbi grit, yakavhenganiswa abrasives zvichingodaro.
