Business / Diamond Engineering Co., Ltd./ Plant Design, Construction, and Maintenance

TOP ＞ Business

We deal in a diverse range of equipment and facilities, while maintaining standards is our highest priority.
Comfortable facilities that reflect human intelligence and sensitivity.

Environment- friendly& Human-friendly Equipment.
DEC contributes to the foundation of a richer future society by creating facilities that are genuinely valuable for both mankind and the Earth.


Field of our most active participation around the world. We apply our iron/steel refining and powder handling technologies, acquired over many years, in a diverse range of practical applications throughout the wider industrial world.	Planning, design, construction, operation, and maintenance of all kinds of plant facilities for every scene. We provide total efficient systems based on integrated plant engineering.
Domestic and Overseas iron & steel works facility planning & construction Waste plastic injection facility planning & construction	Planning and construction of chemical plant Planning and construction of environment improvement facility Planning and construction of labor saving facility


Optimal working environment for the prevailing conditions. We conduct all manner of machinery and building construction and maintenance, tailored to suit each type of plant, using reliable technology operated by experienced staff. Equipment and building.	Helping develop clean industry that is both people friendly and environmentally friendly. We leverage our experience and technology in environmental analysis and application analysis to ensure safety and security for air, soil, water, and people.
Plant maintenance inspection General repair work Building preservation work Thermal / Hydro electric equipment maintenance Environmental facility construction All types of piping works Automation & labor-saving Work Mixers Electrical instrumentation maintenance inspection	Analysis, physical properties measurement and evaluation of organic and inorganic materials Instrumental analysis of material surface and microscopic domain Product, raw material, and product complaint physical properties measurement and examination Pollution-related testing, examination and measurement analysis Environmental measurement certification business (measurement of water, air, soil, noise, vibration, odors, and others) Working environment measurement Soil contamination investigation Building drinking water supply testing