浙江长兴正达电炉制造有限公司（原长兴县正达电炉厂）是集研发、生产、销售、服务于一体的专业生产工业热处理炉的企业。 在我们二十几年的发展历程中，正达人专业、专心、专研，坚持不懈地打造正达品牌，其中ZD-8355超强对流型井式球化退火炉、ZD-8255系列连续式甲醇瓦斯渗碳（调质）生产线、全自动回转炉等产品广泛应用于钢铁行业，有色金属行业，机械零部件行业（尤其是汽车零部件），航太工业、国防工业等高端领域，产品畅销全国各地，出口东南亚及欧美等地区，获得众多热处理专家和客户的高度信任。

The company predecessor (formerly changxing zhengda enterprise) was established in 1992 as a high-tech company covering product R＆D，manufacturing and sales. We have been qualified by ISO9001 and now 6S management system has been carried out internally. We are the leading enterprise of electric furnace industry in lincheng, which has been honored as hometown of Chinese electric furnace and zhengda trademark has become famous trademark in huzhou, Zhejiang. Company has obtained “high and new technology enterprise, huzhou city,“integrity of private enterprises, “five-star work’s home”, civilized unit” at the county level “county and advanced grass-roots party organizations and other honors.