1. The shaft tube is made of high-strength alloy steel plate and is welded by submerged arc welding and argon welding. The shaft head is made of alloy...
ALTA SPECIAL STEEL Co.,Ltd is specialized in supplying and exporting tool steel, mold steel and alloy steel, especially for HOT FORGED BARS
A2, D2/1...
*********** is a conglomerate engaged in production of stainless steel pipelines, pipe fittings, flanges, valves, marketing, project engineering insta...