... quality and competitive price nylon covered spandex yarn:Hangzhou uniwell textile co., ltd. is the professional producer of covered spandex yarn ... are employed. The annual capacity is 5000 tons.Hangzhou uniwell textile co., ltd. mainly produces products as following:Air covered yarn ... includes 50d,75d,100d,150d,200d,300d etc.Hangzhou uniwell textile co., ltd is an order-orientated company and can ...