Kunshan Yongdeli Machinery Co., Ltd. is a hi-tech company gathering design, research and development, specializing in producing steel tubes and copper tube equipment.  Our company relies on our extensive technical experience to research and develop new products. Our double-line cold rolling mill has won more than a dozen patents. It was listed to 2001 National-Level Torch Program Project and recognized as national-level key new product. It reached international advanced level and filled a gap in domestic high-efficiency cold rolling mill field. Our company was awarded the Provincial High-Tech Enterprises Title in 2002. With powerful technical capabilities, our company has established an enterprise research institute consisting of more than 20 professional experts on different kinds of technology. The advantages of our products are: high precision, high efficiency, high economy benefit and high technology deformation.