打磨厂因噪音及烟尘污染“为民不安”被关闭打磨厂街位于前门外东侧,形成于明代,属正东坊,因有许多打磨铜器和石器的作坊而得名,清朝沿用。明永乐初年,今天的前门、崇文门外是京城的南郊,明嘉靖三十二年(公元1553年)开始修建北京城的外城,打磨厂一带变成了城里,到了明末清初,南城已是街巷、商铺、会馆密集,居民众多。石器、铜铁器的打制要经过切割、打磨、钻孔、雕刻、抛光等多道工序,由此造成噪音和粉尘污染。当初在前门外开设打磨作坊时,还是人烟稀少的郊外,变成 Polished factory was polluted by noise and smoke “Unrest was ” was closed Polished Factory Street is located in the east side of the front door, was formed in the Ming Dynasty, is Zhengdongfang, because of many polished bronze and stone workshop named after the Qing Dynasty . The beginning of Ming Yongle, today’s front door, Chongwenmen is the southern suburbs of the capital, Ming Jiajing thirty-two years (AD 1553) began to build the outer city of Beijing, polishing factory area into the city, to the late Ming and early Qing , South City is the streets, shops, clubs intensive, many inhabitants. Stone, copper and iron production to go through cutting, grinding, drilling, sculpture, polishing and other processes, resulting in noise and dust pollution. Had opened in front of the grinding workshop, or sparsely populated suburbs, into