Tianjin disen international trade co., ltd has been engaged in the development and manufacture of steel sheet/coil/pipe since 1988.with an internationally advanced research center, we have specialized teams responsible for production, marketing, service and r&d.disen strives to maintain the leading position in the steel industry.we have invested 5 million dollars in building our production base, which covers an area of more than 1000 square meters and has an annual production capacity of1000000mt/year. disen's products are based on superior materials, skillful manufacture, modern design, reliable quality, durable in use.our domestic sales volume reaches to 200, 000 tons per year of hot dipped galvanized steel coil and prepainted galvanized steel coil.in 2009, our oversea sales were over 60, 000 tons to north america, europe, east asia, middle, south america, and africa, etc.we also developed the international market for galvalume, refractory, and cold rolling steel coil. tianjin disen international trade co., ltd, established in 1998, is a professional enterprise providing manufacturing, domestic sales, exporting, marketing and logistic services for hot dipped galvanized steel coil, prepainted galvanized steel coil and seamless steel pipe.over the years, we focus on providing customer's comprehensive solutions for galvanized steel products and seamless steel tube.