DUNWELL INDUSTRIAL

What DUNWELL INDUSTRIAL does

Dunwell Industrial, trading publicly as Dunwell Group and legally registered as Dunwell Engineering Company Limited, is a Hong Kong-headquartered environmental technology and services company founded around 1990. It operates across three locations — Hong Kong (Yuen Long Industrial Estate), Guangzhou (Nansha District), and Dongguan (Chang'an Town) — with stated headcount of 100+ employees. The company serves municipal, industrial, petrochemical, property development, and academic clients across Hong Kong, Macau, and Mainland China, with a particular concentration in the Greater Bay Area. Dunwell cites over 30 years of continuous operation and four Hong Kong Awards for Industries (HKAI) recognitions over 20 years as evidence of its incumbent position.

The core technology stack is anchored on two proprietary membrane-based platforms: VMAT (Vibratory Membrane Advanced Treatment) for industrial liquid wastes containing oil, water, and chemical contaminants, and DMBR (Dunwell Membrane Bio-Reactor) for municipal wastewater treatment and reuse. Complementary products include the A-JET microbubble aerator (for reservoir water quality improvement), the Biologic SR2 natural deodorant line (exclusive distribution for HK/Macau/China), the D-100A food waste processor (exclusive HK/Macau agency for the Korean-origin hardware), the Heatroller line, spill control products, and an ESG reporting service. Dunwell also holds a Hong Kong EPD licence to collect, treat, and recycle chemical waste including spent lubricants, batteries, and chemical wastes, and operates an unmanned confined-space tank cleaning capability deployed at ExxonMobil's Tsing Yi terminal.

Commercially, Dunwell combines project-based environmental engineering deployments (design, supply, installation) with multi-year managed-service contracts — typically 4-5 year operation and maintenance engagements — that lock in recurring revenue post-installation. Pricing is project-based and not publicly disclosed; customer acquisition leans heavily on government tender processes and direct enterprise sales targeting property developers, industrial facilities, and government departments. Distribution of branded green products (Biologic SR2, D-100A) leverages Dunwell's exclusive agency arrangements and its own sales infrastructure in the Greater Bay Area. There is no evidence of public listing, external institutional investment, or disclosed revenue figures in the available material.

Name

DUNWELL INDUSTRIAL

Legal name

Dunwell Engineering Company Limited

Website

https://dunwellgroup.net

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

1–10 employees

Short description

Dunwell Group is a Hong Kong-headquartered environmental technology company that designs, deploys, and services proprietary membrane-based water and waste treatment systems (VMAT, MBR/DMBR) for Hong Kong government departments, industrial, petrochemical, and property clients across the Greater Bay Area, and holds a Hong Kong EPD chemical waste handling licence.

Ownership category

akta.pro rank

Product category

Environmental Engineering Services

NAICS

Waste Management and Remediation Services (562), All Other Waste Management Services (56299), Sewage Treatment Facilities (22132), Waste Collection (5621), Waste Treatment and Disposal (56221)

SIC

General Industrial Machinery & Equipment (3560), Refuse Systems (4953), Specialty Cleaning, Polishing And Sanitation Preparations (2842)

akta.pro primary industry

Water & Wastewater Treatment Plant Equipment (Clarifiers, Aeration, Membrane Systems) (IMAHAEAJ)

akta.pro secondary industries

Industrial Water Reuse Utilities (ZLD/MLD & Process Water Recycling) (EUANAGAG), Monitoring & Control (Dosing Systems, Remote Monitoring, Sensors) (BPABAJAK), Organics Transfer & Pre-Processing (Food/Yard Waste) (EUAIABAD), Anaerobic Digestion (AD) & Biogas/RNG Production (Organics Feedstocks) (BPALAEAC)

Keywords

• Environmental engineering services
• Wastewater treatment systems
• Chemical waste management
• Membrane separation technology
• Industrial waste recycling

Headquarters

HQ city

Hong Kong

HQ country

Hong Kong SAR China

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Environmental Engineering Services: Design, supply, and installation of water treatment systems, wastewater treatment plants, and environmental solutions for municipal and industrial clients. Includes membrane bioreactor systems, VMAT systems, and associated infrastructure.
2. Plant Maintenance and Operation Services: Ongoing operation and maintenance services for installed systems, typically 4-5 year contracts after installation.
3. Chemical Waste Collection and Treatment: Licensed collection, treatment and recycling of chemical wastes including spent lubricating oil, batteries, and industrial chemicals. Licensed by Hong Kong EPD.
4. Green Products Sales: Sale of environmental products including Biologic SR2, Heatroller, spill control products, and food waste processors (D-100A and larger models).
5. ESG Reporting Services: Regular reporting services focused on chemical waste collection and recycling data for client ESG reports.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels5 records

Core offering

Dunwell Industrial (Dunwell Engineering Company Limited) designs, supplies, installs, and operates environmental treatment systems for municipal and industrial clients. Core offerings include proprietary Membrane Bioreactor (MBR/DMBR) wastewater reuse systems, VMAT vibratory membrane industrial liquid waste treatment, licensed chemical waste collection and recycling (EPD-licensed), green products (Biologic SR2 deodorant, Heatroller, Spill Control, A-JET aerators), the D-100A food waste processor, and ESG reporting services — delivered via direct enterprise sales with 4-5 year operation and maintenance contracts.

Product overview

Dunwell Group operates as a diversified environmental technology company with a platform-plus-services architecture. Core offerings include Municipal Water Treatment using proprietary Membrane Bioreactor (MBR) technology, and VMAT (Vibratory Membrane Advanced Treatment) for industrial liquid waste processing. The company also provides Chemical Waste Management services (licensed by Hong Kong EPD) including spent oil collection, battery recycling, and tank cleaning. Green Products include Heatroller, Oil Analysis Service, Spill Control Products, and BIOLOGIC SR2 natural deodorizing liquids. The product portfolio extends to food waste management with the D-100A processor, and water quality solutions using A-JET micro-bubble aerators. Dunwell also offers ESG reporting services for chemical waste tracking.

Differentiator

Problem solved

Functional benefit

Brands

• VMAT: Vibratory Membrane Advanced Treatment — a membrane separation technology for treating industrial waste liquids containing oil, water, and chemical wastes.
• DMBR
• A-JET
• BIOLOGIC SR2
• Heatroller

Products and services

• Municipal Water Treatment (MBR / DMBR)

Quantifiable outcome

• MBR system footprint: 500 sqm for 1,375 cubic meters/day treatment capacity
• +4 more outcomes

Named customers9 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• 寳登建築有限公司 (Po Tang Construction)coreStrategic or Co-development Partner · 1 January 2024Collaboration for providing wastewater treatment systems in luxury residential developments. Dunwell provides design, supply, and installation of membrane bioreactor systems with 4-5 years of operation and maintenance services.
• Biologic SR2 Product Owner (Korea)coreChannel Partner/ Reseller/ Distributor · 1 January 2024Exclusive distribution rights for China, Hong Kong, and Macau markets. Dunwell obtained China exclusive agency rights after already holding Hong Kong and Macau rights for over a year.
• D-100A Food Waste Processor Manufacturer (Korea)coreChannel Partner/ Reseller/ Distributor · 1 January 2024Exclusive agent for Hong Kong and Macau region for the Korean-manufactured food waste processor introduced in 2024.
• Hong Kong Polytechnic UniversityminorStrategic or Co-development PartnerCollaborative research on nanomaterials production, separation and concentration processes using VMAT technology.
• Guangdong Pharmaceutical University (廣東藥學院)minorStrategic or Co-development PartnerResearch collaboration on pharmaceutical extract concentration processes using VMAT vibratory membrane technology.
• Shandong University - National Key Laboratory of Microbial TechnologyminorStrategic or Co-development PartnerVMAT experimental system purchased for R&D work in microbiology, resource development and conversion technology, molecular biology, and metabolic engineering.
• Water Supplies Department (Hong Kong)coreStrategic or Co-development PartnerOngoing collaboration for water quality improvement research using A-JET microbubble aeration technology in Tai Lam Chung Reservoir. Started with one-year pilot in 2020, expanded with additional units in 2024.
• 塑新生 (Plastic Recycling Facility)minorStrategic or Co-development PartnerVMAT system installed in plastic recycling facility for wastewater treatment, producing reusable water meeting production line standards.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Toray Industries (Membranes): Global leader in reverse osmosis, nanofiltration, and ultrafiltration membrane manufacturing. A technology-level peer to Dunwell's VMAT and DMBR membrane separation platforms, with broader product portfolio and global R&D investment.
• China Everbright Environment Group: State-affiliated environmental services platform covering waste-to-energy, water treatment, and environmental remediation across China. A direct competitor for municipal environmental tenders in the GBA and a benchmark for what scaled-up Chinese environmental platforms look like.
• Beijing Enterprises Water Group: One of China's largest water and environmental services groups operating sewage treatment plants and water reuse projects nationwide. Competes with Dunwell in GBA municipal tenders and has the scale and state backing to outbid smaller players.
• Kurita Water Industries: Japanese industrial water and chemical treatment specialist providing specialty chemicals, dosing systems, and wastewater solutions to industrial clients. Comparable to Dunwell in industrial liquid waste (VMAT) and chemical management segments, particularly for petrochemical customers like ExxonMobil.
• Veolia Environment: Global environmental services leader with water, waste, and energy solutions across municipal and industrial markets. Operates extensively in Hong Kong and Mainland China, providing integrated water and waste management that overlaps with Dunwell's municipal and industrial offerings.
• Alfa Laval: Swedish industrial equipment and separation technology company with membrane filtration, decanters, and heat transfer solutions serving wastewater and chemical processing industries. Overlaps with Dunwell's industrial liquid waste treatment offering through separation equipment.
• Suez Water Technologies & Solutions: Major water treatment and waste services operator with membrane filtration and chemical waste handling capabilities. Competes with Dunwell in industrial liquid waste treatment and municipal wastewater reuse, with global brand recognition and greater capital depth.
• Kubota Corporation (Water & Environment): Japanese manufacturer of membrane bioreactor (MBR) systems widely deployed for municipal and industrial wastewater treatment. Direct technology peer to Dunwell's DMBR offering, with established global installations and decades of operational track record.

Emerging players

• Biorem Inc. Specialty biological odor control and air treatment company using proprietary biological media. Direct functional peer to Dunwell's BIOLOGIC SR2 product line for odor and H2S control in wastewater applications, with a focused, niche product strategy similar to Dunwell's distribution-led green products segment.
• Wahaha / Oklin (Food Waste Composter Manufacturers): Manufacturer of automated food waste composting/dehydrator machines with global distribution. Direct technology peer to Dunwell's D-100A food waste processor offering, particularly in the Asia-Pacific food waste management market.

Market position

Strengths1 record

Weaknesses1 record

Competitive moat5 records

Key risks1 record

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@dunwellgroup1540/featured
• Facebookfacebook.com/dunwellhk

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 DUNWELL INDUSTRIAL