we are one of the largest nylon yarn manufactures in China. If you need some nylon yarn with the following specifications: 30D/1F filament yarn, Dty: 70d/24f,70d/24fx2,100d/36f,nylon thread: 210d/1x2,210d/1x3,210d/2x2,210s/2x3,190d/1x2,xxxxx let us know.We welcome all the customers in or abord to visit us.Thank you.