
Silvery Dragon Group Technology and Trading Co., Ltd Tianjin is a subsidiary of Silvery Dragon Prestressed Materials Co., Ltd Tianjin. Silvery Dragon is a public company in Shanghai Stock Market with 40 years history. Focus on researching and production of Prestressed Concrete used steel materials and railway track concrete products. At present, Silvery Dragon has developed and formed a whole industrial chain of concrete products, including high quality prestressed materials, concrete structure products ...