About Zist Ab Pajouhesh
A pioneer in water and wastewater, power, and industrial automation
A Pioneer in Water & Wastewater
Zist Ab is the official website of Zist Ab Pajouhesh Engineering Company (ZAPCO). The company began its activities with the goal of implementing modern global methods and replacing outdated approaches, supported by a young, experienced, and specialized team in water and wastewater, power, energy, and commercial services.
One of the company's key strengths is its reliance on young specialists and its research and development unit, which continuously works to update systems and introduce innovative solutions within its fields of activity.
Factory & Workshop
Zist Ab's executive department consists of highly experienced fabrication and installation experts. Using up-to-date equipment while complying with manufacturing standards, HSE requirements, and international best practices, our team delivers reliable project execution.
Our air diffusers, water and wastewater treatment package factory, as well as our workshop for RO systems and aeration diffusers, are actively engaged in the production of projects and innovative equipment developed by our group.
Our Areas of Expertise
Delivering specialized services with the highest quality standards across three key sectors.
Water & Wastewater
- • Design, manufacturing, and commissioning of prefabricated treatment systems
- • Reverse osmosis desalination systems and concrete treatment plants
- • Water disinfection and sterilization systems
- • Standardization of industrial wastewater effluents
- • Renovation, upgrading, and optimization of production lines
Power & Automation
- • Design and implementation of industrial automation systems
- • Manufacturing PLC and HMI-based control panels
- • Smart monitoring of cathodic protection equipment
- • Commissioning of oxygen generation systems
- • Monitoring and control of all operational sections
Trading & Supply
- • Supply of treatment plant equipment and materials
- • Import of water, wastewater, and industrial electrical equipment
- • Exclusive representation of leading international brands
- • Manufacturing electrical and mechanical equipment
- • Supply of chemical dosing systems
Education & Awareness
Population growth and limited water resources are among the most critical challenges of our time. These challenges can be addressed through modern knowledge and practical education. Water conservation is one of our central concerns. Educating communities and cooperating with media outlets to optimize drinking water consumption are key priorities for Zist Ab.
Research & Development
Due to the growing need for environmental protection, Zist Ab Industrial Group has expanded its technical expertise through the establishment of its Research and Development unit. By employing specialists, this unit seeks innovative solutions for current and future challenges. Localizing modern treatment technologies and manufacturing advanced equipment are among our core objectives.
Zist Ab on Social Media
Join us in promoting sustainable development and responsible water consumption.
Telegram
Useful content and updates @zistabcompanyAparat
Educational videos Aparat ChannelOur Environmental Campaigns
Zist Ab Engineering Group invites all members of society to participate in water conservation campaigns. Our goal is to optimize water consumption and promote a more responsible approach toward this vital resource.