Benenv Co.

What Benenv Co. does

Benenv Co., Ltd. is a privately held Chinese environmental protection equipment manufacturer founded in 2011 and headquartered in Yixing, Jiangsu Province, with reported total assets above $80 million USD, more than 200 employees, and operations across more than 60 countries through 18 international agents and wholly-owned subsidiaries in Japan and the UAE. The company designs, manufactures, and sells sludge dewatering and wastewater treatment equipment, with its flagship product being the Multi-Disk Screw Press (MDS) — a clog-free dewatering machine using tungsten-carbide-coated rings with progressive dewatering zones — complemented by the Wave Separator (covered by 8 patents), Super Rotary Sludge Dryer (BRD Series), Continuous Carbonization Furnace (BMT Series), Dissolved Air Flotation systems, KRD mobile solid-liquid separation units, and containerized MBR/MBBR/GCE biological wastewater treatment systems. The portfolio is supported by more than 60 national patents and certifications including ISO9001, CE EU, and Ecovadis.

The company operates under a 'Japanese Technology + Chinese Factory Manufacturers' model, anchored by co-founder Kazuhiko Kawazu (40+ years of environmental protection experience) and technical partnerships with Kendensha Co. Ltd. (Japan) and academic institutions including Tokyo University of Science, Tsinghua University, Nanjing Agricultural University, Aarhus University, and Cambridge-affiliated teams. Benenv generates revenue through one-time equipment sales (dewatering, drying, and carbonization units ranging from kg/h to thousands of kg/h capacity), turnkey integrated system projects (documented pastoral complex and municipal projects at RMB 50-68 million each), and aftermarket services including installation, commissioning, operator training, and warranty support. Customer segments span municipal governments and utilities (primary), industrial manufacturing (primary, including petrochemical, pharmaceutical, steel, electroplating), agricultural and livestock operations, and environmental engineering contractors. The company pursues international growth through trade shows (WETEX Dubai, China Environmental Expo), regional subsidiaries, and an agent network that has reportedly placed more than 4,500 operational units worldwide.

Name

Benenv Co.

Legal name

Benenv Co., Ltd.

Website

https://en.benenv.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

51–100 employees

Short description

Benenv Co., Ltd. is a privately held Chinese environmental protection equipment manufacturer, founded in 2011 and headquartered in Yixing, China, that designs and sells sludge dewatering, drying, carbonization, and wastewater treatment systems under a Japanese-technology-plus-Chinese-manufacturing model, serving municipal, industrial, agricultural, and engineering contractor customers in more than 60 countries.

Ownership category

akta.pro rank

Product category

Environmental Treatment Equipment

NAICS

Sewage Treatment Facilities (22132), Water Supply and Irrigation Systems (221310)

SIC

General Industrial Machinery & Equipment (3560), Totalizing Fluid Meters & Counting Devices (3824)

akta.pro primary industry

Decentralized/Package Wastewater Systems (Small/Remote) (EUANADAE)

akta.pro secondary industries

Monitoring & Control (Dosing Systems, Remote Monitoring, Sensors) (BPABAJAK), Onsite/Decentralized Reuse Utilities (District/Building‑Scale Reuse as a Service) (EUANAGAH), Advanced Treatment & Purification Utilities (MF/UF, RO, AOP, UV) (EUANAGAD), Desalination Plant Construction (IMAFAGAG)

Keywords

• Sludge dewatering equipment
• Wastewater treatment systems
• Sludge carbonization technology
• Solid-liquid separation equipment
• Environmental protection machinery

Headquarters

HQ city

Yixing

HQ country

China

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Environmental Equipment Manufacturing and Sales: Sale of proprietary sludge treatment equipment including screw presses, separators, dryers, carbonization furnaces, and wastewater treatment systems. Equipment ranges from compact units to large-scale industrial systems with processing capacities from kg/h to thousands of kg/h.
2. Integrated System Solutions and Projects: Turnkey environmental treatment solutions including system design, installation, and commissioning. Major projects include pastoral complexes, industrial wastewater treatment plants, and municipal sludge handling facilities with investments ranging from 50-68 million yuan.
3. Aftermarket Services: Pre-sale consulting, installation, commissioning, operator training, and one-year warranty support. Technical service team provides process optimization, sample analysis, and field testing for customers.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels3 records

Core offering

Benenv Co., Ltd. designs, manufactures, and sells proprietary sludge dewatering and treatment equipment, wastewater pretreatment systems, drying and carbonization systems, and containerized wastewater treatment solutions for municipal, industrial, and agricultural customers worldwide. The company delivers integrated turnkey environmental treatment projects including system design, installation, commissioning, and operator training, supported by over 60 national patents and more than 4,500 operational units deployed globally.

Product overview

Benenv Co. is an environmental protection equipment manufacturer offering a comprehensive portfolio of solid waste recycling and wastewater treatment solutions. The product portfolio centers on sludge dewatering and treatment equipment (Screw Press MDS®, Wave Separator, BNSD Deep Dewatering), drying and carbonization systems (Super Rotary Sludge Dryer, Continuous Carbonization Furnace BMT Series), solid-liquid separation equipment (Rotary Drum Screens, Mechanical/ Hydraulic Bar Screens), composting systems (Aerobic Drum, Intelligent, Food Waste, Gangnan Chain Plate), and containerized wastewater treatment (MBR, MBBR, GCE Rural systems). Solutions span municipal, industrial, agricultural, and hazardous waste applications with supporting equipment including DAF systems, air diffusers, and chemical dosing units. The company combines Japanese technology with Chinese manufacturing, operating with over 60 national patents and international certifications including ISO9001 and CE.

Differentiator

Problem solved

Functional benefit

Brands

• Benenv Group: Primary brand name for the company and its subsidiaries

Products and services

• Screw Press Sludge Dewatering MDS® Multi-Disk Screw Press (MDS) sludge dewatering machine that thickens and dewaters sludge progressively along the movement of free rings, ending with a rotary filter plate. Features tungsten carbide coating for slow rotation and long part lifespan, achieving minimum solid content of 20% in discharged cake. Designed for municipal and industrial wastewater treatment plants.
• Wave Separator Solid-liquid separation equipment using continuous synchronized rotation of oval discs between slits, with thickening and dewatering functions. Self-cleaning, clog-free design used as thickener or dewatering machine for waste concentration from 0.5% to 10%, with 8 patents covering the technology.
• Rotary Drum Screen (Bar Screen) Rotary drum screen equipment for solid-liquid separation and wastewater pretreatment, available in OA1 (6-11mm gap), OA2 (1-5mm gap), and OA9 (3-5mm gap) variants. Performs filtration, washing, transport, and dewatering functions for municipal and industrial wastewater treatment.
• Dissolved Air Flotation Equipment (DAF) High-efficiency dissolved air flotation system using nano-scale bubble generation technology for removing organic and inorganic suspended matters, flocs, oil, and grease from sewage, wastewater, and industrial effluent. Achieves 95%+ efficiency in removing suspended solids with modular capacity up to 1,000 tons/hour per unit.
• Super Rotary Sludge Dryer (BRD Series) Sludge reduction equipment using clean energy heating and direct drying method, developed with Japanese expert collaboration. Reduces material moisture content to 10% with 70% thermal efficiency versus 30-40% for conventional belt dryers, with no clogging due to sludge bonding.
• Continuous Carbonization Furnace (BMT Series) BMT Series Sludge Carbonizer using medium temperature indirect heating (400-600°C) in oxygen-deficient conditions to decompose sludge without harmful gas emissions like Dioxin. Reduces sludge volume by 90% with heat energy recycling and moisture reduction from 20% to 0%.
• Aerobic Drum Composting System Fully enclosed slow rotating fermentation drum for aerobic composting of dewatered sludge. Maintains 55-70°C for 3-5 days to kill pathogens, achieving stabilization, harmlessness, and volume reduction with product moisture under 40%.
• Intelligent Composting System Intelligent high-temperature aerobic fermentation device for organic waste treatment using proprietary GCE biological strain technology developed with NTU and Cambridge expertise. Features IoT remote monitoring and one-person operation capability.
• Food Waste Composting System Rapid on-site food waste resource utilization system with exhaust gas purification, over 90% reduction rate, and automatic operation for agricultural, kitchen, and organic waste processing.
• Gangnan Chain Plate Type Compost System Korean patented organic fertilizer production line using chain plate turning technology with stacking height over 3 meters and aeration technology. Processes 100-150 tons/day with 30 years of technology success and over 1,000 cases.
• MBR Containerized Wastewater Treatment Integrated BN-MBR series containerized sewage treatment with capacities from 25-500 m³/day. Features IoT applied technology, remote monitoring, UV disinfection, and submerged membrane technology for decentralized and small-scale applications.
• MBBR Containerized Wastewater Treatment Integrated BN-MBBR series using Moving Bed Biofilm Reactor technology for small-scale decentralized domestic sewage treatment with single set capacity of 25-250 m³/day.
• GCE Rural Domestic Sewage Treatment Integrated solution for decentralized rural sewage treatment using A/A/O process with GCE smart purification tank. SMC molding technology with 30+ year lifespan and treatment conforming to national standards, featuring patented water distribution design and gel sponge filler technology.
• KRD Type Mobile Solid/Liquid Separation System Mobile sludge dewatering plant for cleaning sediments from rivers, lakes, and sludge lagoons. Available in skid assembly, vehicle mounted, or containerized configurations with 20-40 m³/hour processing capacity.
• Sludge Drying & Carbonization System Integrated closed pyrolysis system under oxygen-deficient conditions for maximum moisture evaporation and high-quality carbon value production. Achieves 90% volume reduction with energy recovery from generated gases, using Japanese technology and Chinese manufacturing.
• Human Fecal Sludge Treatment Solution Next-generation fecal precision filtration system combining mechanical pre-treatment with screw press dewatering. Uses IoT technology and sensor technology for intelligent control of solid-liquid separation and flocculation dehydration.
• Municipal Wastewater Treatment Solution Full-process intelligent pollution control solution for municipal applications including source pollution interception, biological treatment, and standard-compliant discharge using core equipment like bar screens, rotary drum screens, and air diffusers.
• Industrial Wastewater Treatment Solution Full-process governance from source reduction to standard-compliant discharge covering chemical, food, papermaking, metal processing, petrochemical, electronic, mining, and pharmaceutical wastewater applications.
• Oily Sludge Treatment Solution Treatment solution for oily sludge from oil/gas fields and refining processes, including pre-treatment, heating, solid-liquid separation, oil recycling, and thermal processing using OTD robot remote control dredging equipment.
• Water Supply Plant Solution Full-process safe water supply solution from raw water to tap including purification, water quality monitoring, and stable supply for facilities up to 690,000 m³/d capacity.
• Seawater Desalination Solution Full-process high-efficiency purification from seawater to fresh water using reverse osmosis purification technology for capacities ranging from 1,400 to 100,000 m³/d.

Quantifiable outcome

• 90% volume reduction through integrated drying and carbonization system
• +4 more outcomes

Named customers7 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Kazuhiko KawazucoreStrategic or Co-development Partner · 28 November 2011Japanese environmental protection expert with 40+ years experience co-founded the company with Jiang Zihou. Provides drying and carbonization technology expertise and heads Japan Benenv Co., Ltd.
• Kendensha Co. Ltd.coreStrategic or Co-development PartnerJapanese technology partner enabling exclusive manufacturing of wave separator technology in China. Established in 2012-2013 as part of the 'Made in China + Overseas sales' business model.
• Shuji Yoshizawa (Tokyo University of Science)minorStrategic or Co-development PartnerProfessor Ph.D. from Tokyo University of Science provides technical support for drying and carbonization technology development.
• Jin Yiying (Tsinghua University)minorStrategic or Co-development PartnerProfessor responsible for organic solids recycling research, contributing to top-level design with 14 national and provincial studies.
• Zong Lianggang (Nanjing Agricultural University)minorStrategic or Co-development PartnerProfessor responsible for biochar end-use applications with over 80 related academic papers.
• National University of Biotechnology / Cambridge PhD TeamminorStrategic or Co-development PartnerAcademic partnership for GCE biological strain development to improve activated sludge efficiency in rural sewage treatment.
• Andersen (Aarhus University, Denmark)minorStrategic or Co-development PartnerDoctor of Engineering serving as clean technology export consultant between Denmark and China.

Scale indicators6 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Alfa Laval: Swedish global leader in separation, heat transfer, and fluid handling with a major decanter centrifuge sludge dewatering product line. Directly competes with Benenv's MDS screw press and Wave Separator in industrial and municipal sludge dewatering tenders worldwide.
• Andritz: Austrian separation technologies group offering centrifuges, belt presses, and sludge drying systems for municipal and industrial customers. Competes head-to-head with Benenv on integrated sludge dewatering and drying solutions.
• Hitachi Zosen Inova: Japanese environmental engineering and plant construction firm offering sludge treatment, drying, and energy-from-waste systems. Compares to Benenv on technology heritage, integrated drying/carbonization offerings, and shared Japanese R&D base.
• Huber SE: German manufacturer of machines, plants, and services for water, wastewater, and sludge treatment including screw presses and drying systems. Closely comparable product portfolio to Benenv, especially in municipal and industrial wastewater solids handling.
• SEEPEX GmbH: German specialist in progressive cavity pumps and sludge dewatering systems with global industrial and municipal reach. Direct competitor to Benenv's screw press sludge dewatering equipment on application overlap and target customers.
• Komline-Sanderson: US-based manufacturer of sludge and biosolids processing equipment including belt filter presses, screw presses, dryers, and thermal processing systems. Overlaps with Benenv's dewatering, drying, and carbonization offerings.
• BHS-Filtration: German specialist in solid-liquid separation, drying, and filtration with rotary drum and belt dryers for sludge treatment. Competes with Benenv's BRD rotary sludge dryer and integrated drying-carbonization solutions.

Broad incumbents

• Veolia: French global environmental services giant operating water, wastewater, and waste management businesses across municipal and industrial customers. Overlaps with Benenv as both a buyer/operator of similar technologies and a competing supplier in turnkey wastewater projects.
• Suez: French global water and waste management group with extensive municipal and industrial wastewater service contracts. A broader incumbent that competes with Benenv for large integrated wastewater and sludge treatment tenders, particularly in MENA and Asia.

Regional players

• Eco Tech China / Jiangsu Topping: Regional Chinese environmental equipment manufacturers focused on sludge dewatering and wastewater treatment serving municipal and industrial customers across China and parts of Asia. Domestic peers that compete with Benenv on price in Chinese municipal tenders and OEM supply channels.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/BenenvE
• Facebookfacebook.com/benenvasia
• LinkedInlinkedin.com/company/benenv

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Benenv Co.