Zhongtairuiyi Limited Company. Our company is a production and sales of diversifiacation industrial company, the business covers: gypsum board production line, steel building, dyes, cellulose, etc.. Its main business is gypsum board machinery \ gypsum powder equipment \steel building exports. And to undertake 2 million ---50 million square meters / year of gypsum board production line, its technology is leader in the industry. Over the years, the company with advanced technology, scientific management, our purchase order increase day by day. Customers throughout the world, particularly popular in Europe, America, Southeast and customers. Our best quality equipment, best service and look forward to cooperating with you!