Nanjing Granuwel Machinery CO., LTD is specialized in R&D design and manufacture of high polymer extruders, and we concentrate our business on manufacture and sales of high-quality extruder equipment. Our products were widely exported to more than 30 countries all over the world. We possess excellent capability of innovation and product development, and desire to provide best products for our customers through the improvement of equipment structure and reduction of equipment energy consumption through our practical experiences and technical innovation.