Zhejiang Certeg International Co., Ltd was established in 2006, which is a large professional enterprise engaged in manufacturing, trading, warehousing and machining steel. Mainly deal various specification of steel pipes, shape steel, steel sheets series of steel materials, including cold-rolled, hot rolled steel plates and coils, thick plates, galvanized steel coils, channel steels, angle steels, beams, square steel tube, furniture tube, galvanized tube, welded tube, seamless steel pipe, spira