BK Environmental Technology Development Co., Ltd. is a high-tech enterprise specializing in the research and production of water treatment materials. As the inventor and manufacturer of iron hydroxide arsenic removal adsorbents, we are committed to providing the world with efficient and sustainable water purification solutions.

Since its establishment in 2015, the company has always adhered to the concept of "technological innovation, quality-oriented, green and sustainable". It has set up its headquarters in Osnabr ü ck, Germany and promoted its products and technical services to more than 50 countries and regions around the world. Our core product BK sorb is based on high-performance iron hydroxide particles, which can efficiently remove arsenic, phosphate, and various heavy metal pollutants. It is widely used in drinking water purification, industrial wastewater treatment, groundwater remediation, and environmental protection fields.

With a strict quality management system (certified by ISO 9001:2015) and continuous technological innovation, we continuously promote the sustainable development of the water treatment industry. BK's mission is to provide the world with clean water, and to work together with partners to build a safe, healthy, and sustainable future water environment.

Our service areas include: groundwater remediation; Waste gas treatment; Energy optimization; Reverse osmosis water purification; Wastewater treatment, etc.

Our main industrial products include: iron hydroxide adsorbents, new linear aerators, industrial grade reverse osmosis machines, and other industrial equipment and products in the field of water purification.