Sanyou Modal Fibre，as a kind of high wet modulus fibre，is developed by Tangshan Sanyou Group Xingda Chemical Fibre Co., Ltd. completely made of the beech and spruce pulp which make it a kind of natural plant cellulose fibre. Moreover, Sanyou Modal fibre shall decay naturally without causing environment pollution. And the raw material is derived from nature, applied to nature and recycled to nature after wasting, which forms a green biological chain. Therefore, Sanyou Modal Fibre is indeed an environmental protective fibre.