唐山盾石化学管材有限公司（以下简称"公司"）是河北省冀东水泥集团公司的全资子公司,地处河北省唐山市高新技术开发区,西临祖国的首都北京、东临驰名而美丽滨海城市秦皇岛，与京沈、唐津高速公路相通，公路、铁路运输十分便利。
   公司拥有国际先进的德国巴顿菲尔全自动管材秤线6条和相关的管件加工设备，检测试验设施等。目前，公司年加工生产能力超过10000吨，可生产DN16mm-DN630mm规格的聚乙烯系列管材，PP-R管材管件、PEX管件、PE-RT管材，并于2003年2月通过了ISO9001质量体系谁和ISO14000环境管理体系认证，其产品广泛应用于城市燃气、市政供水、建筑给水、农村灌溉、地板采暖、石油输送、垃圾填埋、污水处理及非开挖穿管工程等。
   随着我国给、排水、燃气及其它领域的广泛应用，“盾石”公司凭借凭借生产设备、雄厚的资金实力、扎实的技术力量，可靠的质量保证、齐全的配套管件和满意的服务体系，“盾石”品牌一定会赢得全国庞大的用户群体。
   Tangshan dunshi chemical Tubing Co.,Ltd.（henreinafter referred to as the "Company"）is a Group’s entire capital subsidiary company,which is located in Tangshan New and High-tech Development Zone in Hebei provine ,with Beijing,the capital city of China.in the west and with Oinhuangdao ,a famous and beautiful coastal city ,in the east.Connected to Beijing-Shenyang and Tangshan -Tianjing highwanys,the company is of very convenient road and railway transport conditions.
   The Company has 6 fully antomatic PE tnbing production lines from German Battenfeld Company exoeeds 10000 tons at present.supprting the production of DN16mm-DN630mm polythene tube series PP-R pipe and fitting, PEX tube and PE-RT tube.in February 2003,it passed ISO9001 quality systems certification and ISO14000 envionment control systems certification ,Products from the Company are widely applied in urban gas supply,municipal water supppy,water supply for buidings;irrigation in rural areas,oil transport,garbage burying,sewage treatment,non-excavtion piping projects,etc.
   Along with extensive application of the products in water supply ,drainage,gas supply and other fields in China ,the btand "Dunshi"will win ahuge user base aoross the country by virtue of the Company’s advanced production equipment ,solid financial and technical stengths,reliable quality assurance,full range of associated tube parts and satisfactory service system.