"Bio-oxidation of refractory gold ore - heap leaching gold extraction process" is a project by the China National Gold Group Corporation Technology Center, Changchun Gold Research Institute and Liaoning Jinfeng Gold Mining Co., Ltd. jointly completed. The project utilizes the research res

On December 13, 2017, John Deere officially announced the launch of the E130 excavator in China. This excavator represents John Deere's second 10-ton product launched in China after the first 10-ton product E140LC, providing better and more targeted products and solutions for ever-changing urba

1 Introduction Tin is one of the earliest discovery and use of metals in human history. Tin has many advantages such as low melting point, good plasticity, corrosion resistance, fatigue resistance, non-toxicity, etc. Tin has a wide range of uses in various fields of national economy and national d

Core Tip: Comparing sales is more about earning money, but the number of “ice and fire” figures is highly deceptive. When many overseas car companies have announced the first quarterly report of 2018, many domestic companies have just released the 2017 annual report. what? Do you kno

There washed kaolin Kaolin (soft kaolin clay) and coal-based kaolin (hard kaolin), kaolin are used in paper, paints, plastics, rubber cables, ceramics, petrochemical, pharmaceutical, cement, refractory materials and agriculture. Ultrafine pulverization of kaolin is available in both dry and wet pro

On the evening of April 27th, the SST striker issued an announcement that the company's major asset reorganization was approved by the merger and reorganization committee of the China Securities Regulatory Commission. This means that the BAIC New Energy market is more clearly listed. If it is

The flammable gas produced by the decomposition of organic matter in coal under certain temperature and conditions is called "volatile matter". It is a mixed gas composed of various hydrocarbons, hydrogen, carbon monoxide and other compounds. Volatile matter is also the main coal quality i

The Xiangxi sedimentary aluminum- nickel deposit is located on the southern margin of the Yangtze quasi-station, adjacent to the Xuefeng mountain axis. The regional tectonic position belongs to the second-order structure of the eastern eastern end of the Guzhang complex anticline. The nickel and mol

On September 11th, 2016, FAW Xiechai in the beautiful Rongchang District of Chongqing joined hands with FAW Hongta to hold the "FAW-GM and China FAW Xichai National IV and National Five Joint Promotion Product Promotion Conference". More than 70 new and old people from Rongchang and

Recently, the announcement showed that a total of 263 enterprises in Zhongshan City received the 2017 corporate R&D subsidy fund, of which 14 were lighting companies with R&D subsidies. Among them, Mulinsen Co., Ltd. received a maximum of RMB 4,834,400 for research and development grants; in

Protective phosphorus ore mining area or in the open country, while the state has promulgated to protect the exploitation of phosphate rock will be far off. The valuation of listed companies with phosphate resources will be greatly improved. Phosphate rock is a general term for economically availab

Model NO.: drywall screw Grade: 12.9 Item Name: Factory Price Gypsum Board Drywall Screw