Jiangsu Dongquan Zhongke Environmental Protection Technology Co., LTD., in cooperation with Japan Toshima Co., LTD., the introduction of Japan's Nito Denko world's forefront equipment, the use of Zhejiang University's patented technology, set high-tech talents in one, to create a new printing and dyeing wastewater zero discharge operation system, will be the realization of sewage "zero discharge" to protect the blue sky, blue water contribution.