List of Contract Inspection products

Achieves high collection efficiency through electrostatic methods. Offers a wide range of products from large to small sizes. Also compatible with water-soluble oil mist.

• air conditioning

It is used for the inspection of butt welds in piping, tanks, and steel frames, as well as for the material inspection of rolled steel!

• Contract Inspection

It is used for inspecting the welded parts of tanks, the tooth surfaces of gears, and the entire surface of bolts!

• Contract Inspection

Applicable to almost all materials except metals! It is used for surface inspection of small parts and more.

• Contract Inspection

Established high-quality non-destructive testing technology that fully meets customer quality needs!

• Contract Inspection

Implemented by our dedicated in-house system! We will introduce underground tank inspections and measuring instrument certifications.

• Contract Inspection

Leave food safety inspections to us!

• Contract Inspection

We conduct various analyses related to the environment, such as bottom sediment testing of lakes and rivers!

• Contract Inspection

Dedicated staff with advanced knowledge and skills will support you in the investigation and research of the overall water environment.

• Contract Inspection

We conduct various environmental surveys, including social and living environment surveys as well as natural environment surveys!

• Contract Inspection

We conduct tests to confirm the overall safety of food, including pesticide residue analysis and hygiene inspections!

• Contract Inspection

Protecting our lives from the perspective of 'measuring, observing, and guarding'! Total support for environmental projects!

• Water quality testing
• Contract Inspection
• Contract measurement

Would you like to reduce the cost and effort of water quality testing? We have a great plan to introduce to the person in charge of management!

• Water quality testing
• Contract Inspection
• Other contract services

Total support for creating a safe and hygienic environment! We respond with high-quality services and know-how.

• Water quality testing
• Contract Inspection
• Other contract services

Low price, short delivery time, high quality! Helping to solve customers' problems to provide safe and secure food!

• Contract Inspection
• Other contract services
• Other services

With 60 years of rich experience and knowledge, we respond to everything with in-house analysis! Hiyoshi is a trusted and proven inspection organization.

• Contract Inspection
• Water quality testing
• Soil testing