Wastewater treatment; Environmental pollution control; Operation and management of environmental protection facilities; Maintenance of environmental protection equipments.

Fast and timely after-sales service: the experienced service engineers can provide fast and effective response to each service requirement of different users. LONGANTAI has set up free technical support hotlines by our senior engineers, to answer any technical question at any time.

Perfect management of customer’s files: LONGANTAI establishs the customized files for each user, tracks installation and use of the systems, instruments and meters, arranges professional personnel visit customers frequently during the user's system life cycle.

High-quality and efficient customer training: LONGANTAI provides customized training services by our professional and high-quality training lecturers, to help users grasp the use and daily maintenance methods of the system quickly and accurately, thus guaranteeing a long-term and stable operation of the system.