About Us

We are a leading manufacturer for Rainwater Harvesting Tank System in China , founded in 2013, with factory located at Shenzhen of China. Doctor Rain is a subsidiary of Kingly Group. Rainwater harvesting tank ( also called Soakaway Crates, Attenuation Tank , or Infiltration Tank) is our main product.

Our company has two factories in Shenzhen, and we have our own molding workshop, we can design and make molds for plastic injection, so we also accept order for plastic injection parts process. If you need our rainwater attenuation tanks or if you need some custom parts or its molds we can offer you all of these.

We are qualified constructor for rainwater harvesting system in China, we have completed more than 500 projects in China. We have been exporting these rainwater attenuation tank to many countries.

Based on Doctor Rain’s rainwater harvesting system, drainage system, infiltration system and seepage and drainage integration technology,with independent intellectual property rights, the company has achieved breakthrough research results in rainwater comprehensive utilization technology, and has fully realized the industrialization of scientific research results. We declared more than 30 patents for the related technologies. With years of technical accumulation and business innovation, we have passed certification for GB/T19001-2008/ISO9001: 2008 Standard Quality Management System, GB/T28001-2011/OHSAS 18001:2007 Occupational Health and Safety Management System,and GB/T24001-2004/ISO14001:2004 Environmental Management System.