Vandan Steel & Engg. Co. can become a recognized industry, capable of producing and supplying high-quality ROCKSTAR 400 blades. We are customer-oriented and supply these boards in several standards, widths, lengths, heat treatments and styles . Specifications for special applications also can be provided. Our products meet various quality standards. The wear-resistant ROCKSTAR 400 PLATTEN welding plate has good versatility, like formability, hardness, wear resistance and flatness. Manufacturing requirements.