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???Shanghai REEIN Chemical Co., Ltd. established the Shanghai Pilot Free Trade Zone. With the continuous development of the company’s business and the development and prosperity of its customers, the company can better serve customers and be at the forefront of the market. We have been making unremitting efforts to form a more convenient and efficient product distribution network with our own development characteristics, and better provide our customers with high-quality and efficient services. In terms of products, our company has a complete range of products, including ordinary industrial gases, high-purity gases, rare gases and standard gases, as well as high-standard mixed gases. So far, our company's products have been used in various industries such as scientific research, electronics, medical treatment, electric power, environmental protection and lighting, and provide customers in various industries with high-quality and efficient services, and have an excellent reputation among customers.