历史沿革：1912年创建永丰面粉公司（1914年改为益丰面粉公司）
          1918年创建天丰面粉公司
          1958年公私合营开封面粉厂———1966年改为国营开封面粉厂———2000年改制为开封市天丰面粉有限公司。
History:
  In 1914 the yongfeng flour company was founded (in 1914 its name was changed yifeng flour
company);
  In 1918 the tianfeng flour company was founded;
  In 1958 it was changed the Public-private jointly-operated kaifeng flour mill factory;
  In 1966 it was changed the State-operated kaifeng flour mill factory;
  In 2000 it was restructured kaifeng tianfeng flour mill CO. LTD

生产规模: 日处理小麦800吨，年加工小麦20万吨。
Production scale：
  The company was processing 800 tons of wheat per day and 200,000 tons per year.

主机设备：引进意大利、瑞士及国产消化吸收设备。
Mainframe equipment：
  Introducing the digestion and absorption from Italy, Switzerland and also the domestic equipment.

检化验设施：引进德国粉质仪、拉伸仪、降落数值仪、实验磨、美国近红外快速测定仪等显见检测仪器。
Inspection and testing facilities:
  The obviously detection equipments are introduced the Germany farinograph, extensograph, Numerical instrument landing, Experimental Mill and the American near Infrared rapid detector etc.

产品质量：连年来，均以较高指标通过国家和省市质量技术监督及卫生部门抽查。
          被河南省质量技术监督局评为河南省质量管理先进企业。
          双鱼面粉被国家质检总局批准为国家免检产品。
          通过IS09001：国际质量管理体系认证。
Product quality：
  For several years, the company has the high indicators through sampling by the national, provincial, and municipal quality and technical supervision and also by the health sector.
  The company was rated Henan quality management advanced enterprises by Henan Provincial Bureau of Quality and Technical Supervision.
  The double fish flour is assessed as the inspection-free food product of the state by the General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China.
  The product is recognized by ISO9001 International Quality System .
         
企业荣誉: 二十世纪三十年代曾荣获巴拿马国际博览会金奖。
          双鱼面粉被全国粮食行业协会评为全国放心面。
          被过家质量技术监督局批准为首批市场准入企业并获得食品安全生产许可证。
          河南省省级农业产业化龙头企业。
          双鱼牌面粉被开封市政府命名为开封市名牌产品。
          双鱼商标被河南省工商局评为“河南省著名商标”。
          天丰公司被河南省政府列为全省十佳小麦加工转化龙头企业之一。
          被开封市政府列为全市十五家优强企业之一。
Enterprise Honors:
  In 1930s the brand won the gold medal at Panama International Exposition
  The double fish flour was rated safe flour of the state by the National Food Industry Association.
  It was assessed the first batch of market access for enterprises and obtains the permit licence of food safety and health.
  The company is the leading enterprise of Henan provincial agricultural industrialization.
  The double fish flour is named brand name by Kaifeng city government.
  The double fish Trademarks is selected as the famous brand of Henan province by Trade and Industry Bureau of Henan Province .
  The tianfeng company is listed one of the ten best leading enterprises of wheat processing and conversion by henan province .
  The company is rated one of the fifteen strong advantages enterprises by Kaifeng city government.

产品销售：产品畅销国内20多个省市，并远销越南、朝鲜、蒙古及俄罗斯等国家。
Product sales：
  The products have been sold to more than 20 provinces and regions, even to foreign countries including Vietnam, North Korea, Mongolia and Russia etc.

双鱼寓意: 吉庆有余、双双富裕（启用于1918年）。
Double fish implication：
  Double fish brand means more than happiness, and is rich year by year.(opened in 1918)。

教学基地: 1983年以来一直被定为郑州粮食学院教育实习实验基地          
Teaching base:
   Since 1983 the company has been set the educational practice experimental base of Zhengzhou Grain College .