History

THE FIRST STEP INTO THE SUGAR INDUSTRY

Our journey in the sugar business begun in 1945,

KSL Group is from small sugar producer which can produce sugar 600 kilogram per day to a listed company. Presently, the Company operates and owns 5 sugar factories in Thailand and 2 in Lao and Cambodia.

Year 1945

Year 1945


In 1945, Mr. Chuan Chinthammit along with two co-founding families Tokaranyaset and Rojanasthien jointly founded a sugar factory named Kwang Soon Lee Co., Ltd. located on Rama 1 Road, Bangkok. The name “Kwang Soon Lee” is derived from the middle names of the stores owned by the three founders at that time.

Year 1945

Year 1952

Year 1952


In 1952, the factory was moved from its original site to Petchkaserm Road, Thonburi province and was renamed Thonburi Sugar Factory Co., Ltd. (Plant1 – Kwang Soon Lee). As the sugar business flourished and a new sugar factory, Ang Vien Industry Co., Ltd., was set up in Baan Bung district, Chonburi province. It was the first sugar factory that adopted modern technology to produce granulated sugar directly from fresh sugarcane juice. The company continued to expand production capacity by building many more sugar factories.

Year 1973

Year 1973


In 1973, the company managed to own and operate a total of 6 sugars factories.

Year 1973

Year 1974

Year 1974


There was a significant change in 1974 when the shareholders embarked upon a structural reorganization and appointed Mrs. Nantha Chinthammit and Mr. Chavalit Chinthammit as a chairperson and a managing director, respectively. The head office was located at Siam Square, Rama1 Road, Bangkok. The company still retained ownership of 3 sugar factories: New Krung Thai Sugar Factory Co., Ltd., New Kwang Soon Lee Sugar Factory Co., Ltd., Tamaka Sugar Industry Co., Ltd.

Year 1976

Year 1976


In 1976, a new sugar factory, named Khon Kaen Sugar Industry Co., Ltd. was established in Namphong district, Khon Kaen province.

Year 1976

Year 1990

Year 1990


In 1990, all sugar companies were merged under one management group named “KSL Group” in honor of the company’s co-founders and original company name Kwang Soon Lee. For business expansion, the head office was moved to KSL Tower, Sri Ayudhaya Road, ThanonPhayathai sub district, Rajthevi district, Bangkok in 1994.

Year 1996

Year 1996


In 1996, Mr. Chamroon Chinthammit was appointed Managing Director of all sugar companies in KSL Group. Under his leadership and the dedication of executives and employees, KSL Group continuously prospers.

Year 1996

Year 2003-2004

Year 2003-2004


In 2003, a renewable power plant, Khon Kaen Sugar Power Plant Co., Ltd. was established in Namphong district, Khon Kaen province, which can produce electricity and steam by using bagasses as raw material. In 2004, Khon Kaen Alcohol Co., Ltd. was established in Namphong district, Khon Kaen province, which can produce alcohol (ethanol) form molasses, sugarcane, and others materials.

Year 2005

Year 2005


The management team at KSL Group foresaw a continuous growth in the demand for sugar and the potential growth in related by-product businesses such as ethanol and energy generation and decided to transform the company from a private company limited into a public company limited (Khon Kaen Sugar Industry Public Company Limited-KSL). KSL is the first Thai sugar manufacturer to be registered at the Stock Exchange of Thailand on March 7, 2005 under the Food and Beverage category, using "KSL” as a stock symbol.

Year 2005

Year 2007

Year 2007


In 2007, the company constructed a new factory and relocated operation of its New Krung Thai Sugar Factory to BoPloy district, Kanchanaburi province. The new factory was built under the Bio-Refinery Complex concept where production factories for sugar and related by-products like ethanol, electricity, and organic fertilizer were built on the same premise to create a complete production cycle that not only maximized efficiency but also minimized production cost and waste.

Year 2011

Year 2011


In 2011, the company invested in a sugar factory with crushing capacity 18,000 tons of cane/day and a renewable power plant that can generate 40 Megawatt of electricity in Loei province.

Year 2011

Year 2012

Year 2012


In 2012, the company expanded the renewable power plant and sugar factory in Namphong district, Khon Kaen province. Electricity power plant production capacity was expanded from 30 Megawatt to 65 Megawatt and sugar crushing capacity was increased to 8,000 tons of cane sugar/day.

Year 2015

Year 2015


On October 7, 2015, Khon Kaen Sugar Industry PCL hosted its 70th Anniversary Celebration at the Grand Hall, 2nd FL, Plaza Athenee Bangkok, a Royal Meridien Hotel. The Minister of Industry, Dr. Atchaka Sibunruang, attended the event as the Honorable Chair. Mr. Manu Leopairote, the Chairman of the Board of Directors, and Mr. Chamroon Chinthammit, the Chief Executive Officer & President, gave a welcoming speech and presented KSL group’s vision and future business goals to valued business partners and customers.

Khon Kaen Sugar Industry PCL and companies in KSL Group with invited guests made charitable donation to Ramathibodi Foundation in order to build the Chakri Naruebodindra Medical Institute. The total of 13,173,668 THB was raised for this charity.

Year 2015

Year 2016

Year 2016


29th International Society of Sugar Cane Technologists (ISSCT)

The Kingdom of Thailand is the host of Congress of the 29th International Society of Sugar Cane Technologists (2016) during 2nd - 11th December 2016 at Chiang Mai International Convention and Exhibition Center to demonstrate new techniques and technologies for planting sugar cane and producing sugar, including innovative approach for utilization in production processes.

Congress of the 29th International Society of Sugar Cane Technologists was held to interact and exchange knowledge between the industries and further demonstrates the innovative technology related to sugar cane and sugar related products from various countries across the world. With concept of “Sufficient and Sustainable Agri-Sugar Cane from Small Farmers to Global Exporters”, there were representatives from’ government, private sectors and academic institutions of more than 2,000 delegates from 80 countries worldwide. On 3 December 2016, Khon Kaen Sugar Industry Public Company Limited (Nam Pong location) welcomed groups of more than 121 participants (Pre-Congress Tour) consists of business personals from private sector of how to implement innovative processes in-related to natural energy.

Year 2017

Year 2017


On 19 July 2017, The Amalgamation Between the subsidiary companies Khon Kaen Sugar Public Company Limited is KSLGI and BBH, a subsidiary of Bangchak Corporation Public Company Limited, for the bio-based products business.

Year 2017

Year 2018

Year 2018

Khon Kaen Sugar Industry Public Company Limited (KSL) is one of 100 listed companies with outstanding business performance or ESG100 from Thaipat Institute of the Year 2018.

According to the ESG rating agency of Thaipat Institute which Foundation for Rural Restoration of Thailand Under the Patronage of His Majesty the King has developed a sustainable business database in Thailand by evaluating environmental, social and governance information (ESG). It started in the year 2015 and continued for the third year already. In the year 2018, 683 companies (not including securities under rehabilitation) were listed on the Company's website refered to Report (Form 56-1) as well as Annual Report, Sustainability Report and performance data related to sustainability of the company. From Corporate Governance Report of Listed Companies (CG Scoring),

Thaipat Institute or the Global Initiative for Sustainability Rating (GISR) has selected Khon Kaen Sugar Industry Public Company Limited (KSL) into the Universe of the ESG100 Group for the year 2018, for the fourth year.

Year 2019

Year 2019


Khon Kaen Sugar Industry PLC organized KSL Virtual Run 2019 for donation to Ramathibodi Foundation for medical equipment and appliances

Khon Kaen Sugar Industry PLC organized KSL Virtual Run 2019 to raise fund for donation to Ramathibodi Foundation for medical equipment and appliances and to promote health and physical exercise of the executives and the staff so that the personnel have good health that benefits their work and their living quality.

On 17 September 2019, the closing event of the KSL Virtual Run 2019 was held at KSL Tower. The representative of Ramathibodi Foundation, Assistant Professor Thongchai Pongmakapat, M.D., the executive director and treasurer of the Foundation, attended the event and received the donation from Mr. Chamroon Chinthammit, CEO & President of Khon Kaen Sugar Industry PLC.

Year 2019

Year 2020

Year 2020


During the year 2020, the company started to expand distribution channel of white sugar and refined sugar sale through modern trade channel starting at Marko Department store in order to introduce and sale products to retailed customers.

Year 2023

Year 2023


Khon Kaen Sugar Industry Public Company Limited (KSL) expanded its business by launching “Kane’s” the Low GI sugar "the first and only in Thailand". With high technology from Nucane patent, it retains natural polyphenols in sugar cane (natural antioxidants)  that slows the metabolism of sugar into the blood stream. This is guaranteed and scientifically proven to have a low glycemic index according to ISO 26642:2010 Low Glycemic Tests. Kane's Low GI sugar can reduce the risk of overweight and obesity and can be a new choice for healthy lifestyle groups.

Year 2023

Khon Kaen Sugar Industry Public Company Limited
503 KSL Tower 9th Floor,
Sri Ayutthaya Rd., Thanon Phaya Thai Sub-District, Ratchathewi District, Bangkok 10400, Thailand.

Tel. +662-642-6191-9
Fax. +662-642-6097

© Copyright 2020 Khon Kaen Sugar Industry Public Company Limited. All rights reserved. Designed by Megaweb.co.th