民国时期,在南京、镇江、无锡、苏州、徐州等城市已有水泥制品手工作坊,生产小口径混凝土排水管、方型水泥电杆、人行道水泥板等产品。建国初期,私营厂商根据市政建设需要,以作坊手工操作的方式,生产瓦筒管、方砖、花砖、瓦、浴盆、洗脸池、便坑等。1953年,南京工账总队瓦筒厂 During the period of the Republic of China, cement workshops had been established in cities such as Nanjing, Zhenjiang, Wuxi, Suzhou, and Xuzhou to produce small diameter concrete drainage pipes, square cement poles, and sidewalk cement boards. In the early days of the founding of the People’s Republic of China, private manufacturers produced pottery tubes, bricks, tiles, tiles, bathtubs, washbasins, and pits, etc., in accordance with the needs of municipal construction, by means of manual workshops. In 1953, the Nanjing Engineering Group Corp.