Liquid Purification Engineering Co., Ltd. (LPE) was founded in 1992 by Mr. Prapan Ariyamethee, a senior chemist, alongside a team of expert engineers who were fully committed to pioneering innovative engineering technologies. In 2002, the company obtained ISO 9001 certification and rebranded as Liquid Purification Engineering International Co., Ltd., strengthening its ability to support both domestic and international customers more efficiently.
LPE specializes in research, consulting, design, built, and installation of Membrane & Water Treatment systems for various industrial applications. Over the years, the company has experienced significant growth and expanded its operations, successfully installing systems across Thailand, Singapore, Australia, Vietnam, Laos, Cambodia, Malaysia, Myanmar, Cameroon and Togo. Our facilities are equipped with advanced manufacturing capabilities, an ISO 17025-accredited analytical laboratory, Membrane Cleaning Center, Membrane Knowledge Center and pilot plants dedicated to developing effective membrane solutions tailored to customer needs.
At LPE, we are deeply committed to sustainability and continuously seek better ways to minimize environmental impact. As part of this commitment, we have expanded our expertise beyond membrane technology, embracing new innovations that address more on total solutions of modern industrial challenges. Using digital transformation accelerates speed to insights across the industrial lifecycle—from conceptual and engineering design to performance optimization.
We maintain strong partnerships, not only with Customer, but leading global technology providers, ensuring technology transfer from end to end through our experts. With a strong focus on quality, responsibility, and customer satisfaction, our team of skilled chemists, engineers, and technicians is committed to delivering reliable systems and exceptional service to clients worldwide.