Huwang Science and Technology is a large building materials group enterprise, integrating R&D, production, and sales of pds protective siphon drainage collection system,rainwater harvesting, underground pipe gallery seepage and drainage water collection system, Vegetation grass ditch system,vertical green wall system etc.award over a hundred national patents. Since the establishment of 1994,Huwang group owned Huwang Construction,Huwang Building Materials,Huwang Plastic,Huwang Gardens,Huwang international trade.With sales branches in Southwestern, Beijing, Tianjin, Guangzhou, Wuhan, Nanjing, Hangzhou, Jinan, Zhengzhou, Xi'an, Shenyang, and Harbin, its products are sold to international markets including Europe, America, Russia, Australia, and Southeast Asia. it is a supplier of high-quality product for the 2008 Beijing Olympics and the 2010 Shanghai World Expo.The group award Jiangsu Province Famous Trademark, Certificate of New High-tech Enterprise, Quality Management System Certification, Shanghai Green Building Industry trusted products.The company is involved Plastic Protection Drainage Sheet Industry Standard, Atlas of the National Building,and National Construction Codes made, cooperate with a number of colleges and universities for scientific research. pds protective siphon drainage collection system was elected into Sponge City Construction of Advanced and Applicable Technologies and Products Directory( Batch 1) Feb.2016.Huwang Sponge City product was also elected into Jiangsu Province Construction Energy Conservation"Thirteen -Five" Priority Application New Technologies(Batch 1) Nov.2016. The company values credibility and guarantees quality. Cherishing Sir Ka-shing Li's axiom of "Honest in life, conscientious in action, win-win in business", Huwang employees serve customers whole-heartedly to win unanimous acclaim from all customers.