... per month, and 36,000 tons per year. Tianjin Zhongyide Iron Tower Manufacture Co,Ltd, which was established in 1990, is ... steel surface anti-corrosion and manufacture zinc pot and so on. After 10 years of innovation and development by ourselves, Our ... to American, Japanese, Korea, Germany, Italy, South Africa and so on. We will make"The quality which you and I make ...