Jining Luyi hi-tech fibre Co., ltd. belongs to Shandong Ruyi Science and Technology Group. It is Shandong Province hi-tech company. Jining Luyi hi-tech fibre Co., ltd. has passed ISO9001 (2000) certification & Oeko-certification class I. The main product is hi-performance bare spandex yarn,15D,20D,30D,40D,70D,105D,140D,210D,280D,420D,560D,840D,1120D,1680D,2240D,2500D,3000D,4000D,5000D etc. We can product white and black spandex. The company applied the advanced 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. The product usage: warp knitting, weft knitting, stockings and covering with cotton, wool, silk, nylon, medical bandage, baby/adult diaper, etc.e offer 15D spandex,16.5dtex spandex,20D spandex,22dtex spandex,30D spandex,33dtex spandex,40D spandex,44dtex spandex,70D spandex,78dtex spandex,105D spandex,116dtex spandex,140D spandex,156dtex spandex, 210D spandex,230dtex spandex,280D spandex,310dtex spandex,420D spandex,460dtex spandex,560D spandex,620dtex spandex,840D spandex,930dtex spandex,940dtex spandex,1120D spandex,1240dtex spandex,1680D spandex,1870dtex spandex, 2240D spandex, 2480dtex spandex,2500D spandex,2750dtex spandex,3000D spandex,33000dtex spandex,4000D spandex,4400dtex spandex,5000D spandex,5500dtex spandex,heavy denier spandex,diaperspandex,high denier spandex,narrowfabric spandex,,diaper spandex,blackspandex! We can also make differential product according to the specifications required by the customer.