Summary of key milestone of CMAN is as follows:

A leading lime and lime derivative chemical producer in Asia with lime production capacity of over 1,000,000 tons per year and current customer bases in various industries located in Asia, Australia and Africa. With the vision of “The group of companies aims at achieving lime capacity of more than 2,000,000 tons per year by 2025 to become a world-class leader in lime industry by conducting business with good governance that provides sustainability for all concerned parties.”


Dissolution of the subsidiary in Thailand - Tubkwang Co.,Ltd

Tubkwang Co.,Ltd, a subsidiary, completed the liquidation process for its dissolution on 14 December 2020

Green Mining Award

The Company was awarded the Green Mining Award 2020 under category of “Mineral Dressing” from the Department of Primary Industries and Mines, Ministry of Industry


The Company was awarded the CSR-DPIM Award 2020 for the Company’s operation being in accordance with standard of Department of Primary Industries and Mines (DPIM)

Achievement on Labour Relation and Welfare

The Company received Certificate of Achievement on Labour Relation and Welfare, 15th consecutive years 2006-2020 (Prabuddhabaht plant) from the Department of Labour Protection and Welfare, Ministry of Labour


Quicklime kiln (KK4) with installed capacity

of 73,000 tons per year commenced commercial operations in February 2019.

Entered into a joint venture with 2 German partners

namely BERGMANN KALK HOLDING GmbH and KALKWERKE H. OETELSHOFEN GmbH & Co. KG, to establish CalMix Co., Ltd. in Thailand to develop, manufacture and distribute construction materials in Thailand and to other countries in Southeast Asia. The Company is holding 51% stake in the joint venture.

Easternbulk Lime Products Private Limited,

a joint venture in India, had completed the construction of its production plant and had commenced commercial operations in July 2019.

The Board of Directors Meeting No. 8/2019,

held on 30 September 2019, had resolved to approve the dissolution of Tubkwang Company Limited, a non-active subsidiary.

Purchasing 80 percent portion of capital contribution in HA LONG QN LIME COMPANY LIMITED

a lime producer in Vietnam with limestone mining concession. The aim of such investment was to expand the production base to appropriate location to support the customer base expansion and to increase the distribution center, enabling effective logistics management.


Quicklime kiln (KK6) with installed capacity

of 113,150 tons per year commenced commercial operations in January 2018.

Received an approval from The Securities and Exchange Commission

to issue an Initial Public Offering (IPO) of 240,000,000 shares.

Issued an IPO of 240,000,000 shares from 14 to 16 March 2018,

raising the Company’s paid-up capital from Baht 720 million to Baht 960 million, consisting of 960 million ordinary shares at Baht 1 per share.

Listed on the Stock Exchange of Thailand

on 21 March 2018.

Financial restructuring with a financial institution,

in the third quarter of 2018, to replace existing loan and reduce financial costs.


Increased capital from Baht 650 million to Baht 720 million

by raising Baht 70 million from existing shareholders.

by holding a 50% stake in the company to construct a production plant, and sell limestone and lime products in Tuticorin, India.

Transformed into a public company

on 10 August 2017.


Increased production capacity of 182,500 TPY at Kangkoi plant

by installing two kilns (KK3 and KK5) Q3, 2016.

Set up Chememan India Private Limited

to conduct market research and build customer base in India.

Entered into a joint venture, namely Siriman Chemicals India Private Limited,

by holding a 50% stake in the company to construct a production plant and sell lime products in Visakhapatnam, India.


Formed a Joint Venture, Chememan Lao Company Limited,

to produce and sell limestone and lime products, by holding a 60% share in the company.

Received a new 25-year concession for industrial mining of limestone at Tubkwang Quarry, ending in 2040,


Increased production capacity of 109,500 TPY at Kangkoi plant

by installing the 2nd quicklime kiln (KK2).

Built a hydrate lime plant in Rayong,

with installed production capacity of 87,600 TPY.


Increased Lime production capacity

of 54,750 TPY at Kangkoi plant by installing the 1st quicklime klin, so called KK1.


Set up Northman Company Limited

in Vietnam to supply secondary source of raw material, conduct product inspection and local market research in Vietnam.

Set up Chememan International

the company's trading arm in Singapore.


Converted a source of fuel from fuel oils to natural gas

as to improve production efficiency of two lime kilns of Prabuddhabaht plant.

Set up Chememan Australia

as the company’s trading arm in Western Australia.


Acquiredd land at Kangkoi district, 

currently being Kangkoi plant, and develop to be a new production facility of lime products.


Received a transferred mineral mine concession certificate of Tubkwang quarry transferred

from the existing holder.


Subleased mineral mining right of Tubkwang quarry

from the existing concession holder and commenced operation of Tubkwang quarry in Kangkoi district, Saraburi province.


Incorporated as a limited company

on March 5 with the registered capital of 1 million Baht to manufacture and sell lime and lime-related products.