杭州海纳环保技术有限公司成立于2005年，是一家从事反渗透、纳滤膜元件研发、制造和服务，并拥有膜片制造核心技术的国家高尖技术企业。也是中国“反渗透膜产业示范基地”。自成立以来先后与美国、日本、韩国等多家世界500强企业形成深度战略合作，并与国内品牌公司保持长期密切合作关系。

公司总部毗邻世界文化遗产“良渚古城遗址”。2021年新生产基地建成，一期占地面积51亩，建筑面积3.6万平方米，具有年产1500万平方米膜片，工业8040膜元件20万支，家用膜元件1800万支的生产能力。海纳通过近20年的不断创新，开发出包括海水淡化膜、OC特种膜、抗污染膜、纳滤膜、高水效膜、超低压膜等200多个规格的膜产品。

企业获得ISO9001及14001等体系认证，产品通过NSF、RoHS、REACHSVHC等标准，并远销多个国家和地区。

公司的研发团队由多位分离膜领域的博士、硕士为核心组建，并与多所高校、研究所形成紧密技术合作，不断创新。公司拥有70余项研究，并20多次参与国家、行业及团体标准的制定。

公司自成立以来，怀着让水更清的企业使命，始终坚持真诚、简单、开放的企业精神，走“生产精细化、产品科技化、品牌差异化、服务人性化”的发展道路，致力于建设反渗透、纳滤膜元件产业基地，争做膜行业民族先锋，打造膜界“中国芯”。

Hangzhou Haina Environmental Protection Technology Co., Ltd， founded in 2005, is a national high-tech enterprise engaged in the research and development, manufacturing and service of reverse osmosis, nanofiltration membrane elements, and has the core technology of membrane flat sheet manufacturing. Since its establishment, it has formed deep strategic cooperation with many fortune 500 enterprises who are famous in the US, Japan and Korea, and maintained long-term close cooperative relations with domestic first-line brand companies. 

The company headquarters is adjacent to the world cultural heritage "Liangzhu Ancient City Site". In 2021, the new production base had been completed. The first phase covers an area of 51 mu, with a construction area of 36,000 square meters, with an annual output of 15 million square meters of membrane flat sheet, 200,000 industrial 8040 membrane elements, and 18 million household membrane elements. After nearly 20 years of continuous innovation, Haina has developed more than 200 specifications of membrane products, including seawater desalination membrane, OC special membrane, antipollution membrane, nanofiltration membrane, high water efficiency membrane, ultra-low pressure membrane and so on. The enterprise has obtained IS09001 and 14001 system certification, the products are in accordance with NSF, RoHS, REACHSVHC and other standards, exported to many countries and regions.

The company's research and development team is established by a number of doctors and masters in the field of separation membrane as the core, and formed close technical cooperation with many universities and research institutes, continuous innovation. The company has nearly 70 patents, and more than 20 participation in the formulation of national, industry and group standards. Since its establishment, with the mission of making the water clearer, the company has adhered to the sincere, simple and open spirit of enterprise, and has taken the development path of "production refinement, products technologization, brand differentiation, humanized service", and is committed to building a word-class industrial base of reverse osmosis and nanofiltration membrane originals, striving to be a national pioneer in the industry, and creating a "Chinese core" in the membrane industry.