Caterpillar Inc. has developed a new D-Series hydraulic excavator that is more efficient, flexible and versatile than the replacement C-series excavator. The new D-Series hydraulic excavators include three products: 324DL, 324DL and 330DL. Caterpillar claims that the series of exc

Product Name Specification Material Steel Factory/Origin Price (Yuan/Ton) Yesterday Last Week Last Month General Line Φ6.5mm Q235 Jiu Steel 4400 0 0 20 Common Line Φ6.5mm Q235 Handan Steel 4400 0 0 20 High Line Φ6.5mm Q235 Handan Steel 4470 0 0 -10 High Line Φ6.5mm Q335 Eight Steel 449

"Global glory international quality" Transit 6 million sales celebration ceremony and press conference held in Nanchang, Jiangxi Province International Exhibition Center grand. Since the birth of the first Transit in the UK's Blue Column factory in 1965, the Transit series has stood

1 Large-scale open pit mines and medium and small open pit mines with complex engineering geological conditions should determine the possible slip surface of the slip surface and slope according to the engineering geological survey report and the slope stability evaluation report, and determine the

In the 1980s, paste filling technology was successfully tested in the Grunde mine in Germany [1], which solved the problem of serious low-concentration slurry filling and bleeding. 90 years of Gansu Jinchuan built a paste filling system [1], the system in preparation paste and delivery terms for ou

This kind of scheme is that the inclined shaft is arranged in the surrounding rock of the ore body, and several stone gates are excavated to communicate with the ore body, and the middle section is drilled in the ore body (or along the contact part of the rock and rock). This method of development d

As we all know, thermal power plants have two major heat losses, namely, the condensing heat loss of steam turbine exhaust system at the cold end and exhaust heat loss of the tail of the boiler system. The main factor that affects the heat loss of thermal power plant boiler exhaust heat is the exh

The most common use of spray trucks is road cleaning. In large gardens, we can also see the spray trucks. A spray truck is a type of sprinkler. It is mainly used for drug spraying on green belts and large gardens on both sides of the road. The exemption ann

Deposits formed by metamorphism in metamorphic areas are collectively referred to as metamorphic deposits. Before the metamorphism, some deposits may exist, or there may be no existing deposits, but during the process of regional metamorphism, the deposits are modified or some ore-forming components

In November 2011, the National Development and Reform Commission, the Ministry of Commerce and other ministries and commissions jointly issued the "Announcement on the gradual ban on the import and sale of ordinary lighting incandescent lamps." According to the announcement, from October

Export statistics for the 2007-08 season for Cape Wool show that wool exports to China and India have grown steadily year-on-year. China is still the largest importer of South African wool. In the 2007-08 season, China’s imports of non-skimmed wool from South Africa increased by 27% year-on-y

I. The products of Safe Lifeline are carefully designed and manufactured so that they can be safely and reliably operated. However, safe operation still requires the use and maintenance of the machine's staff. The following precautions, if followed carefully, will reduce the accident rate of th