"OTD" means outstanding, we implement a strategy of development for diversification and value driven, positioning in the development of every corner of the world. We uphold the idea of continuous improvement, introduced the international advanced equipment to improve the production quality: the knitting machine of Germany MAYER , wire wrapping machine of South Korea SUNGIL, burst-testing machine of MAXIMATOR and impulse-testing machine of BIMAL, and other modern production and inspection equipment. We can produce almost all types of rubber hoses with the standards DIN EN and SAE J517: Wire braid rubber hose, Wire spiral rubber hose, Water/Oil suction hose, Jet washing hose, Rotary/Drilling hose, Sand-blasting rubber hose, Flexible hose assembly,etc. To provide the best all season services for our customers. The strict quality control: we have passed the international quality management system ISO9001:2008, also we have the certification of American Petroleum Association API 7K & Q1