我们是谁

这hth华体会网页版官方网站入口铸铁土壤管学院（CISPI）华体会官方app下载登录由美国领先的铸铁土壤管和配件制造商于1949年组织。研究所ITUTE致力于协助和改善管道行业。

Through the preparation and distribution of technical reports, we seek to advance interest in the manufacture, use and distribution of cast iron soil pipe and fittings, and through a program of research and the cooperative effort of soil pipe manufacturers, we strive to improve the industry’s products, achieve standardization of cast iron soil pipe and fittings, and provide a continuous program of product testing, evaluation and development. Since the founding of the Institute, member firms have standardized soil pipe and fittings, and have introduced a number of new products.

保证管道和配件符合该研究所的批准标准和公差。^®;或CI Not-Hub^®是集体标志所有成员公司的商标。