Zhejiang Certeg International Co.,Ltd, established in the year of 2006, with over 10 years experience on supplying kinds of steel products, as one of the biggest steel manufacturers with a factory covering an area of more than 120,000 square meters and we have over 5 million us dollars in assets. Our main products includes steel pipes, steel strips, steel coils, steel plates, section steels, galvanized and color coated steels, metal building materials such as steel roofing sheets, sandwich ...