高密市恒昌钉业有限责任公司（原运昌五金）地处经济发达的山东半岛，毗邻青岛口岸，公司专业生产经营瓦楞钉、圆钉、钢钉、铰链、插销、拉手等各类建筑五金及其它金属标准件，已发展成为专业生产建筑五金及民用五金的高知名度五金企业。
    公司生产的瓦楞钉系列（热镀锌瓦楞钉、电镀锌瓦楞钉）、普通圆钉系列为公司的龙头产品，年生产能力两万余吨，为全国最大的瓦楞钉、圆钉制造商之一。公司拥有一整套制钉流水线生产设备，自行完成钉帽、拉、制钉、电镀及包装成箱的生产全过程。注册商标“运昌”的国内外享有较高的声誉，产品畅销东南亚、南美、非洲等二十多个国家和地区。
    优秀的恒昌员工以高质、高效、忠诚、守信的理念，依靠科学的管理模式、雄厚的技术实力，先进的生产流水线设备，力保产品高质量、低成本，以最优的品质、最低的价格、可靠的信誉、完善的服务饮誉于同行、顾客之间。在充满机遇挑战的新世纪中，公司总经理孙承礼携全体员工，愿与海内外同仁携手合作，共谋发展，不断超越！

    Gaomi Hengchang nails Co.,Ltd, which located in economy developed Shangdong Byland, against Qingdao Port,is a company specialized in producing tiling nails,steel nails,gemels,bolts and drawings etc all kinds of architecture hardwares and other metal pressing pieces. Now we have developed into a high famous hardmous hardwares enterprise in architecture and civil industry.
    Among them tiling nail series(such as hot galvanized and plating galvanized tiling nails)are the leading products of our company.As one of the largest manufactures of tiling nails in our country,our annual throughput is 10000,tons.We hold a complete set of nail making pipeling facility,and we can accomplish the whole manufacturing of the nail-cap pressing,drawbenching, nail making, plating and casing procedures all by ourselves.
    Our registered trade mark of yunchang boasts high reputation both in home and abroad.Our products exported to South-east Asia, South America, etc more than ten countries and districts.Our superior yunchang staff will always hold “high-efficiency, loyalty and faithfulness” in our hearts.And we depend on scientific management pattern, abundant technique strengh and advanced manafuacture pipelining equipment to guarantee our products of high quality and low cost.We’ll provide our clients with the excellent quality, the lowest price, the most credible credit and the perfect service.And now embracing the new century full of chances and chenllanges,our general manager Sun Chengli accompanid with all our staff welcome all friends from all over the world to cooperate hand in hand for the prospects belong to all of us!