KAMY offers unmatched quality, value, and innovation in our rock and concrete cutting products. Our expertise in engineering and our quality, US manufactured tunneling, mining and construction equipment is unparalleled to others in the industry.
KAMY is the leading manufacturer of roadheaders in the weight class of 13-100 tons weight. Our roadheaders offer interchangeable cutter heads, both transverse and axial and are custom engraved for each project. Our hydraulic cutters are suitable for material with uniaxial compressive strength ranging from 500 to 25,000 pounds per square inch. All of our products can be utilized in a variety of applications from rock excavation, trenching, demolition and concrete, to underwater cutting, tunneling, and scaling.
Technology led the establishment of the quality assurance after-sales service, improve the management system.
Production license of the product ensure that the license number, approval date and expiration date.
Product packaging in line with national regulations, due to packaging damage caused by the products borne.
Any difficulties encountered by customers, we will do our best in the first time to provide perfect service.
List of tunnels in the United States - Wikipedia
The Longest Tunnels in the United States The Delaware Aqueduct is the longest tunnel that can be found in the United States. Tunnels are a major feat of engineering.
List of longest tunnels - Wikipedia
List of Road Tunnels in USA, edited by Eugenio A. Merzagora. Road Tunnels in United States > 1000 m Edited by: Eugenio A. Merzagora
The Longest Tunnels in the United States - WorldAtlas.com
The United States has some of the longest tunnels in the world.There are many different types of tunnels such as vehicle road traffic, rail and canal tunnels. The longest tunnels have been constructed for water distribution, followed by tunnels for railways. Both uses are highly sensitive to gradients.
The World's longest Tunnel Page: Tunnels in USA
Ted Williams is one of the longest tunnels in the United States – at 1.6 miles. This tunnel is an extension of I-90, and is located in Boston, Massachusetts. This tunnel is an extension of I-90, and is located in Boston, Massachusetts.
Longest Tunnels in the World [United States Edition] - TOP 10
List of tunnels in the United States The following is a list of some tunnels in the United States of America . More tunnels may be found in each state than are included on this list. Alabama 5th Avenue North Tunnel , …
10 Of The Nation's Longest Tunnels - CDLLife
China now boasts seven of the 10 longest bridges in the world, all built within the past decade. Such engineering feats were once mainly the province of the United States, which for much of the latter half of the 20th century boasted most of the longest bridges in the world.
List of tunnels in the United States | Revolvy
Longest drug trafficking tunnel found between Mexico and United States Save US Border Patrol Officer Cesar Sotelo looks on in front of the entrance to a tunnel leading to Mexico Credit: AP Photo ...
Top 10 Longest Bridges in the United States - Listosaur ...
Located in the United Kingdom, the Severn Tunnel connects South Gloucestershire to Monmouthshire, beneath the River Severn. Construction of the Severn Tunnel was carried out from 1873 to 1886, by the Great Western Railway. ... The North Cape Tunnel is one of the longest underwater tunnels in Norway, and is located in the Nordkapp Municipality ...