Quartz vein containing gold ores mainly composed of quartz, an amount of 50 to 95%. Metallic minerals content of 0 to 15% pyrite is the main sulfide minerals, pyrrhotite and secondly there is a small amount of galena, yellow copper ore, sphalerite. Gangue addition there sericite quartz, plagioclase

In recent years, under the influence of the “Belt and Road Initiative,” equipment manufacturing companies represented by Zoomlion have developed rapidly in the Middle East. Recently, Zoomlion’s six 120-ton walking tower T2850-120 was sent to Kuwait from the domestic sea. It is re

[ China Agricultural Machinery Industry News ] On November 9, the China Agricultural Brand Innovation Alliance was formally established at the first National New Farmers New Technology Entrepreneurship Innovation Expo. Special Research Fellow of the State Council Counselor Room, Zhang Yuxiang, Presi

In recent days, Shaanxi made the large-diameter EPB shield machine “Jincheng No. 9”, which will be used for the construction of the Changming Road station of Xi’an Metro Line 5 at the off-line of the Liangliang Production Base of Xi’an Construction Machinery Co., Ltd. of C

Economies are growing; unemployment is falling. From Paris comes an avalanche of ideas to reinvigorate the EU. In Berlin, a polite public reception for French president Emmanuel Macron`s expansive vision struggles to conceal an ever tightening grip on Germany`s cheque book.Is Europe, you wonder,

motorcycle accessories fair in 2017! In 2017 Chinese Yiwu auto supplies Fair will be held October 2017 21-24, held in Yiwu International Expo Center East Hall 1, and twenty-third fair period jointly held a large-scale exhibition, is currently the largest, most influential and most effective. It is

Process test is to provide a basis for beneficiation plant design (or existing concentrator transformation), carried out before the initial concentrator design (or proposed site transformation program). Generally, the laboratory test is carried out, and then based on the test of the laboratory, it

From November 16 to 18, 2017, the 19th China Hi-Tech Fair - China High-tech Forum was held in Shenzhen. The theme of this forum is "focusing on innovation-driven, improving supply quality." Mr. Konstantin Novozolov, the 2010 Nobel Prize in Physics, attended and made a speech. He believes

Massive MIMO technology uses a large number (such as 64/128/256, etc.) of array antennas on the base transceiver station to achieve greater wireless data traffic and connection reliability. Compared to previous single-/dual-polarized antennas and 4/8-channel antennas, large-scale antenna technolog

In the current field of video surveillance, IPC network high-definition cameras have become a trend. Faced with various forms of IPC in engineering projects, there are generally some misunderstandings in resolution, infrared distance, compatibility, and remote access. Misunderstandings: Analog C

The hazardous chemicals transportation industry is a special industry, and there are very few companies that can engage in hazardous chemicals transportation. There is such a company in Zhengzhou that specializes in transportation of hazardous chemicals, and it is the only enterprise in Zheng

As an important part of packaging machinery and equipment, the labeling machine has a wide range of applications in various industries. It is mainly applied to medicine, daily chemical, food and other industries. In many labeling machines, automatic labeling machines for round bottles are Far more f