Who knows the top three manufacturers of reverse osmosis membrane brands?

Top three manufacturers of reverse osmosis membrane brands:

Dow Jones index

Dow is a diversified chemical company, constantly innovating with the power of science and technology to create a better life for mankind. Through the organic combination of chemistry, physics and biological sciences, the company promotes innovation and creates value, and tries its best to solve many challenges in today's world, such as meeting the demand for clean water, realizing the production and conservation of renewable energy, and increasing crop yield.

With its comprehensive, market-driven and industry-leading business in the fields of special chemistry, high-tech materials, agricultural science and plastics, Dow provides a wide range of products and services to customers in about 180 countries and regions around the world, which are applied to rapidly developing markets such as packaging, electronic products, water treatment, energy, coatings and agriculture. In 20 15, Dow's annual sales exceeded USD 49 billion, with 49,500 employees worldwide, 65,438+079 factories in 35 countries and more than 6,000 products.

Hyde energy company of America

HYDRANAUTICS was founded in 1963, and its headquarters is located in Haibin, California, USA. 1987 merged into nitto electric co., ltd, which is one of the wholly-owned subsidiaries of nitto electric co., ltd in the United States. Since 1970 entered the field of reverse osmosis water treatment, American Hyde Energy Company has always insisted on pursuing advanced production technology, the highest product quality and perfect customer service. After 40 years of unremitting efforts, it has become one of the reverse osmosis membrane and nanofiltration membrane manufacturers with the largest product specifications, the largest production scale and the largest number of patents in the world separation membrane manufacturing industry. It is also the first real reverse osmosis membrane manufacturer in the United States to pass ISO900 1 international certification.

Japan Dongli

2006 is the 80th anniversary of the establishment of Toray Group. While constantly adjusting itself to adapt to this rapidly changing world, Toray Group firmly believes that it is increasingly necessary and important to achieve sustainable development through continuous innovation, make the management foundation more stable and promote the company's development. The purpose of adopting new measures, making new plans and formulating strict policies is to rely on "innovation" to promote the dynamic development and sustainable growth of the company. All these grand plans have been incorporated into the new long-term vision plan-"AP-Innovation Toray 21"launched in April 2006. The plan takes "chemistry promotes innovation" as Toray's company slogan, and hopes to make Toray the world's top advanced material manufacturing enterprise within ten years through technological innovation led by chemistry.