Zhenghua aids ltd., namyang city, with a registered address at no. 286, zhu zhu zhou zheng village, zhong zhong zhong zheng zheng zheng, henan province, with the registration authority being the zhong zhong zhong sub-directorate, representing sun sun zhong zhong zhong zhong, and operating on general projects such as the production of chemical products (other than licensed chemical products); the development of new materials; the manufacture of specialized chemical products (other than dangerous chemicals); the manufacture of synthetic materials (other than hazardous chemicals); the sale of specialized chemical products (other than dangerous chemicals); the sale of chemical products (other than licensed chemical products); the sale of new catalytic materials and aids; technical services, technical development, technical advice, technical exchanges, technology transfer, and technology promotion (in addition to the legally authorized projects, the operation is carried out on an autonom...