Qingdao Witop Steel group are a first-class iron and steel enterprise in China. The group mainly produce cold rolled steel, hot dipped galvanized steel, hot dipped galvalume steel, pre-painted / color coated steel, tinplate, color stone coated roof tile and other steel materials. Qingdao Witop Steel group can supply GI GL PPGI PPGL Steel and process further-production for these products, for example, galvanized / alu-zinc roofing sheet, PPGI / PPGL color coated roofing sheet, slitting steel coil to strip and so on. Our factory can produce steel products according to the drawings or samples from the customers. Qingdao Witop Steel group is to create value with our customers, improving competitiveness and productivity together. Through a highly efficient technological and industrial base in China and a global commercial network, we are committed to establishing a long-term cooperation with the customer.

Advance grinding is a provider of precision ground bars in Chicago. We are a one-stop shop for high-quality Centerless grinding services. Among the top round metal distributors in the Midwest, our Centerless ground Bar stock has met and exceeded all requirements set by our valued partners.

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