Dong chong, inc., a company that specializes in over a decade of professional production and develops and sells non-sweeted products, the main products of which are: needle strangulation of cotton, warm cotton, hard cotton, swirling of needles, non-swirl cloths in cars, bewilders, filtering materials, rubber-jelling cotton, crotch cotton, fire-proof cotton, flame-retarding fibres, acoustic cotton, silk cotton, twig cotton, non-weaved cotton, pearl cotton, ultrasound cotton, thong cotton, low-melting fibre, water-washing cotton, pk cotton, etc。