Xinyang Longye Chemical Products Co., Ltd. is a high-tech enterprise integrating science, industry and trade, and holds a certain authoritative position in the brightener chemical industry. It mainly develops and sells fluorescent brighteners, pharmaceutical intermediates, electronic chemical products and other fine chemical products, which are widely used in medicine, electronics, environmental protection, plastics, textiles, daily chemicals and other fields. After hundreds of users use, it has received praise and trust from customers.