Jiangsu CDSR Technology Co., Ltd (CDSR) is a technology company which has over 50 years' experience in the designing and the manufacture of rubber products, and has become a leading and also the biggest manufacturer of marine hoses(GMPHOM 2009) and dredging hoses in China. Our brand "CDSR" stands for China Danyang Ship Rubber, it comes from the name of our predecessor, Danyang Ship Rubber Factory, which was founded in the year 1971.With a technical team having over 370 years' combined experience in rubber hose designing and manufacture, CDSR has long been committed to technological development and self-improvement, and so far has obtained more than 60 national patents and passed ISO 9001:2015 Certification, ISO 14001:2015 Certification and ISO 45001:2018 Certification. With a production plant of 37000 m² and a variety of state-of-the-art production and testing equipment, CDSR is able to produce 20000 high quality rubber hoses per year.CDSR started to produce dredging hoses in 1990, and as the first company in China, developed floating discharge hose in 1996. CDSR is also the first company in China that developed marine hoses(as per OCIMF-1991, 4th edition) and obtained the first national patent on that in 2004, then as the first and the only company in China, CDSR had its first prototype approved and certified in 2007. Now, CDSR has been approved for both single carcass hose and double carcass hose as per OCIMF-GMPHOM 2009. CDSR supplied its first marine hose string in 2008, and supplied the first marine hose string with its own brand CDSR to CNOOC in the year 2016, then was awarded "The Best Contractor of HYSY162 Platform" by CNOOC in 2017. So far, CDSR has supplied hundreds of thousands of rubber hoses both in China and abroad, many of which are of reordering. Remaining its tradition of self-improvement and adhering to the road of innovation, CDSR will strive to build itself into a world-class company specialized in high-quality rubber products.