Over 2 decades of expertise in total waste & recycling solutions.

Chiang Kiong Group

Chiang Kiong Group is the leading industrial & commercial environmental
services partner for reliable waste & recycling management. We pride ourselves in offering affordable waste solutions backed by excellent customer service, prompt & professional support, quality assurance through modern technology. We go the extra mile by providing complimentary on-site setups, hassle-free monthly reports, providing support for recycling & marketing programs as other value added services. You can count on us to be your long-term choice in environmental excellence.

We are ISO 9001:2015 & ISO 14001:2015 certified.

of experience


& Crew


& Equipment


1996 – History Was made
“Chiang Kiong Waste Disposal & Cleaning Services” was founded by brothers Tan Chiang Leong and Tan Chin Kiong. We had 10 employees and 2 trucks.
1998 – Our first milestone
The hardworking brothers spent 2 years building their business focusing on waste collection for industrial buildings and MNCs. Chiang Kiong earned our first $1 Million, 2 years after we were established.
2001 – New beginnings
By the turn of the millenia, Chiang Kiong had 50 employees and 8 trucks. We relocated to Defu lane 7 and renamed the company to “Chiang Kiong Maintenance Pte Ltd”.
2006 – Rapid Growth
Chiang Kiong was rapidly expanding and growing our portfolio. We were not only servicing just industrial and MNC clients but also secured government contracts in our mix.
2011 – Second Milestone
We secured major island-wide contracts for retail malls as well as education institutes. Our portfolio was greatly boosted and sales revenues soared to new highs.
2012 – A New Chapter
Chiang Kiong established Martin Engineering. Our waste equipment and engineering arm was named after our employee who was Chiang Kiong’s Chief Engineer. This marked our first step towards diversification.
2015 – Focus on environmental technology
To strengthen our engineering business, Martin Engineering was rebranded as Envotek Engineering.
Due high production loads, Envotek Engineering Sdn Bhd was established to cope with high production loads. Our Malaysia factory covers 25,000sqft and 50 strong staff focused on delivering the best in Environmental technology.
2016 – A New Wave Of Changes
By end of 2015 our group revenue hit almost the $40 Million Mark. It was time for a wave to bring Chiang Kiong to greater heights.

- Our group underwent a massive restructuring, streamlining and rebranding of its businesses. Chiang Kiong Group regrouped its businesses into 4 core business divisions: Environmental Services, Resources, Waste Equipment & Engineering as well as Automotive to align its strategy and business position.
- Envotek Engineering attained ISO 17020
- Envotek Engineering Sdn Bhd established a second 65,000sqft Factory to support our growing presence in the region.
- Our resources division expanded its footprints to Malaysia with a new Materials recovery facilities in Malaysia.

Our Businesses


Our main core business that includes integrated waste and recycling management, general cleaning, maintenance and other value-added services.


Our Materials Recovery Facilities (MRF) recovers and processes mainly paper and plastic that will be converted back into raw materials.


Envotek Asia is our engineering, maintenance and production division that specializes in waste equipment. We are one of the biggest players for waste equipment in the region.


Envotek Kinetics is our heavy vehicle servicing arm. Our service depot located at Autobay @ Kaki Bukit, can handle repairs and servicing of all types of heavy vehicles.


Company Registration No. : 201602165D


No. 41, Defu Lane 1

Singapore 539494

Tel:   6383 1703

Fax: 6383 2301

Get Your Free Consultation

At Chiang Kiong, we believe in providing affordable premium services that includes detailed customized solutions that suits your needs. Reach out to us for a chat at no obligations.