Jining Luyi hi-tech fiber Co., ltd. belongs to Shandong Ruyi Science and Technology Group. It is Shandong Province hi-tech company. Jining Luyi hi-tech fiber Co., ltd. has passed ISO9001 (2000). The main product is hi-performance bare spandex , such as 15D,20D,30D,40D,70D,105D,140D,210D,280D,420D,560D,840D,1120D,2240D,etc. The product usage: warp knitting, weft knitting, stockings and covering with cotton, wool, silk, nylon, etc. Jining Luyi hi-tech fiber Co., ltd. has a well-developed spandex technical service system to provide comprehensive technical support to our customers. And we can also make differential product according to the specifications required by the customer. The company applied cutting-edge continuous polymerizing dry spinning techniques that feature huge production capacity and stabilized polymers. We imported the technology and the machine from Japan, Korea, German, America, Swiss, England. The product line has the advantage that the quality is stable and even, the spinning speed is high, continuous product, environmental protection, etc.