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About Us

Our Vision

Provide the trustworthy R.C.C Product to Construction industry in Sri Lanka and offer a our honest contribution to country development..

Our Mission

According to the Government lows and policies, Using local raw materials, creating and offering direct and indirect job opportunities, to be provided our service with quantitative and qualitative service to constructions of Public and privet sectors and support to build up social life style.

History of the Company

In 1988, Mr. Wijemanna started his own company (Dilani Concrete) that manufacturing concrete posts for one of his brother-in-law; Mr. Premadasa Rajapaksha’s construction projects while working as a contractor. At that time he has identified a high demand in the market for Cement Blocks. After sometime, he started to manufacture Cement Blocks as well. In the early 90’s he expanded the variety of the production types, such as Well Rings, Pillars, Concrete Rings, Cement Blocks, Garden Ornaments, and Concrete Posts etc.
He highly concerns about the quality of the product and always improving the quality using his own research and development techniques. Initially Dilani Concrete did not have quality certification and for the first time, the Faculty of Engineering of University of Peradeniya had checked the quality of the products and had offered the Quality certificate of NP2 standard in 1997.
In 2004, the big step was taken by Mr. Wijemanna, Dilani Concrete was established as a limited liability company as Dilani Concrete Works (Pvt) Ltd. After that the company has won several local and international awards as Building Construction Materials in 2008, 2009, 2010, 2011, National Management Production Business Award 2010 etc. Furthermore the company was offered ISO quality certificate in 2011.

The Managing Director

Mr. S.K. Wijemanna is one of leading character in the society who is inventing the different applications to enrich societal life style. He has studied at St. Maries College, Kegalle. After the A/L Examination, he was thinking about a new concept, product or whatever new thing to introduce without wasting time until receiving the result of A/L Exams. At that time he had got the opportunity work with one of well experienced civil engineer, Mr. Premadasa Rajapaksha who is the owner of Nimali Construction (Pvt) Ltd and got experience of the construction industry. End of 80’s, he stated his own company Dilani Concrete works to manufacture Concrete based products. He has an inborn talent of invent new machinery for their factory. Now he is experienced entrepreneur, Inventor with more than 30 years experience in the field.

Past Projects

During the past years, the company supplied their products for large number of development projects in Island wide. Mainly road development projects, irrigation development projects, construction of bridges and housing projects etc.

Following are some of the projects that we have supplied Septic tanks and Hume pipes in Central Province in Sri Lanka.

Septic Tank

Hume Pipes

Projects of island wide

RDA Projects

CECB Projects

Other Projects


Our Customers

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Nawaloka Constraction

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NEM Constraction

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Central Engineering
Services (Pvt) Ltd.

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National Water Supply
& Drainage Board

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Road Development

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Business Promoters
& Partners (Pvt) Ltd

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MAGA Engineering (Pvt) Ltd

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KD Ebert & Sons
(Private) Limited

Star Construction & Engineers (Private) Ltd
Ruhunu Development Contractors & Engineers (Private) Ltd
LG Construction
Antony Builders Civil Engineering Constructors
Komuthi Engineering Service (Private) Limited
RP Associates Civil Engineering & Constructors (Private) Limited