wastewater treatment

Provide you and your family with clean and fresh water

Choose the Suitable Model Based on Your Specific Needs:


Browse our complete wastewater treatment lineup below, organized by series to match your project: Scavenger for household sewage treatment plants serving villas and single homes; Johkasou-SA / Johkasou-SB for buried small-capacity units and large-capacity integrated sewage treatment plants; JM Series for containerized MBR/MBBR domestic plants, MABR systems, industrial wastewater treatment plants, and seawater desalination systems; and Package Pumping Station for reliable wastewater collection and transfer. Each product page includes full technical specifications and OEM customization options — or contact our team directly for a tailored solution design and wholesale quotation.

Wholesale, OEM & Distributor Partnerships:


Mejec partners with distributors, EPC contractors, engineering companies, and project developers worldwide to deliver reliable decentralized wastewater treatment to new markets. As the original manufacturer, we offer factory-direct pricing, flexible MOQs, and full OEM/ODM customization — including private labeling, custom capacity and process design (MBR / MBBR / MABR), stainless steel or FRP tank options, and control systems configured to your local discharge standards. Our production facility supports everything from single-unit pilot projects to multi-container plant deliveries (20'GP / 40'HQ / flat rack), backed by [CE / ISO 9001 / ISO 14001 / SGS] and a dedicated export team handling documentation, logistics, installation guidance, and after-sales support.
Tell us your target market, daily treatment capacity, and influent/effluent requirements, and we'll provide a detailed wholesale quotation.

Tell us your project capacity and target market, and we'll provide a detailed wholesale quotation.


Do you offer OEM/private label wastewater treatment systems?

Yes. We support full OEM and ODM customization, including branding, container color and layout, control panel design, process configuration, and technical specifications tailored to your market and local discharge standards.

Can the treatment capacity be customized for my project?

Yes. Our systems are designed to order — from small buried Johkasou units for households to containerized plants of several hundred m³/day and above. Send us your daily flow, water quality data, and effluent target, and our engineers will propose a matching process design.

What is your minimum order quantity (MOQ)?

MOQ varies by model — single-unit orders are accepted for most containerized and Johkasou products. Contact us with your target product and volume for a tailored quotation.

Do you ship by container?

Yes. Containerized systems ship as complete units, and other equipment is loaded into 20'GP and 40'HQ containers or flat racks. Our export team handles the full shipping documentation process worldwide.

Do you provide installation and after-sales support?

Yes. Systems arrive pre-assembled and pre-tested to minimize on-site work, and we provide installation drawings, commissioning guidance, remote technical support, and spare parts supply throughout the equipment's service life.

If you have any questions, please feel free to leave us a message

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