About Us

Henan LIMING Heavy Industry Science and Technology Co. LTD which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ². Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing, pioneering and innovation. Now LIMING has become the leader in domestic and oversea machinery manufacturing industry.

120

million

cubic meters

Industrial chain production base

70

national patents

689sets

national patents

170

Equipment service country

Company Culture

core values of the company

Create Value

Share Value

Observe Order

Respect Value

Service philosophy

Religious, fine, tight, and harmonious

LIMING spirit

Standardization, value, serialization, and differentiation will always exceed our contract

Brand Concept

Create and promote civilization, refine and interpret brilliantly

Business philosophy

Religious, meticulous, rigorous, and harmonious work

Our Global Footprint

Case Scene

5 Biggest Gold Mines in Indonesia - FactsofIndonesia

24/03/2020  The next gold mine on the list is located in Sumbawa Island, next to Sumba Island. Batu Hijau gold mine was established on 2000 and is owned by the company

PT Freeport Indonesia

The mill produces copper and gold concentrate from mined ore through a process to separate valuable minerals from the impurities covering them. The main steps in the process are crushing, grinding, flotation, and dewatering. Crushing and grinding transform ore size into fine sand in order to release particles containing copper and gold.

Martabe, North Sumatra - Mining Technology Mining

Ore processing. The ore will be treated using 4.5 million tonnes of ore per annum using proven SAG and ball milling, and carbon-in-leach (CIL) technology. Recoveries are expected to average 76% for gold and 55% for silver. Production and costs

Grasberg mine - Wikipedia

The Grasberg mine has the largest reserve of gold and the second-largest reserve of copper in the world. It is located in Mimika Regency, Papua, Indonesia near Puncak Jaya, the highest mountain in the country. It has 19,500 employees. It is operated by PT Freeport Indonesia which used to be 90.64% owned by Freeport-McMoRan, including 9.36% owned through its wholly owned subsidiary, PT

Batu Hijau mine - Wikipedia

Crushed ore is sent by a conveyor 1.8 m (6 ft) wide and 6.8 km (4.2 mi) long to the mill. Daily production from the mine is an average of 600,000 t (660,000 short tons) ore and waste combined. Ore from the mine has an average copper grade of 0.49% and an average gold grade of 0.39g/t.

Major Mines Projects Grasberg Mine

The mill produces copper and gold concentrate from mined ore through a process to separate valuable minerals from the impurities covering them. The main steps in the process are crushing, grinding, flotation, and dewatering. Crushing and grinding transform ore size into fine sand in order to release particles containing copper and gold.

Gold Milling Process -Primitive and Basic - 911 Metallurgist

13/01/2016  Gold Ore Milling Process. Their method of mining was then, and is now, the following: A small water-furrow is first brought in at the highest possible level on a suitable hill-side, and the stream is turned down the hill. By means of a heavy long wooden crowbar, shod with a long strongly- made chisel-pointed iron socket, and with the help of the stream of water, which rarely exceeds 50 cubic feet per

#WhereTo Buy or Sell Gold in Jakarta - Indoindians

16/10/2017  ANTAM (PT Aneka Tambang Tbk) is a gold producer company in Indonesia. The precious metal or ANTAM’s gold usually comes in the form of bars in various weights as well as gold coins. At Butik Emas ANTAM customers can sell or buy gold bars; however the prices are slightly higher than the usual gold shops. Before going to buy or sell gold at Butik Emas, it is recommended if you check the daily gold

Free Milling Gold Laboratory Testing - 911 Metallurgist

10/02/2017  Free Milling Gold Laboratory Testing. Friends often ask how accurate the work of our little stamp-mill is, or express the opinion that a little mill cannot do good work. As a reply we would like to place on record the results of a few tests. There are two periods of work in our laboratory; the fall term, when the class collectively goes through ...

PT Freeport Indonesia

4 Ball Mill 24 ft. WEMCO 36x4500 ft3 sel flotasi. Process Overview. • Ore Processing Plant Area, located in area MP74. The mill produces copper and gold concentrate from mined ore through a process to separate valuable minerals from the impurities covering them. The main steps in the process are crushing, grinding, flotation, and dewatering.

Gold Mining and Prospecting in Indonesia -

06/10/2015  Indonesia is the 2nd leading gold producing country in Asia behind China, and currently ranks as the 9th leading gold producer in the world. Gold mining locations in Indonesia . The mining sector in Indonesia has made a very significant contribution to the economy of Indonesia over the past few decades, and is expected to do much more in the years to come. Indonesia is home to the

Martabe, North Sumatra - Mining Technology Mining

Ore processing. The ore will be treated using 4.5 million tonnes of ore per annum using proven SAG and ball milling, and carbon-in-leach (CIL) technology. Recoveries are expected to average 76% for gold and 55% for silver. Production and costs

PT ANTAM Tbk Gold Precious Metal Refining

The gold ore at Pongkor and Cibaliung goes through various processes which include crushing, milling, cyanidation, carbon leaching and stripping, electro winning to melting and casting to produce bullion/ dore. The waste is processed at the detoxification plant to reduce the cyanide content of tailings to below the threshold limit value of 0.5 ppm, so that it can be safely used as a total ...

Grasberg Copper-Gold Mine - Sika

West Papua, Indonesia. The Grasberg mine operated by Freeport McMoRan and jointly owned by Freeport and Rio Tinto is one of the largest mining clusters on the globe. The mine is located in the very remote highlands of the Sudirman mountain range in the province of Papua, Indonesia. The Grasberg ore bodies contain very high combined copper-gold ...

Batu Hijau mine - Wikipedia

Ore from the mine has an average copper grade of 0.49% and an average gold grade of 0.39g/t. Crushed ore is further reduced in size by Semi-Autogenous Grinding and ball mills. Once milled it is sent through a flotation circuit which produces a concentrate with a grade of 32% copper and 19.9g/t gold. The mill realizes a copper recovery of 89%.

Grasberg Open Pit Copper Mine, Tembagapura, Irian Jaya ...

Ore from both operations is transported by conveyor to centralized mine facilities, feeding a combined daily average total of some 225,000t of ore to the mill and 135,000t to the stockpiles. Production equipment includes 30m³–42m³ buckets, a 170-strong fleet of 70t–330t haul trucks, together with 65 dozers and graders, with radar, GPS and robotics used in the mine’s state-of-the-art ...

Gold Milling Process -Primitive and Basic - 911

13/01/2016  Gold Ore Milling Process. Their method of mining was then, and is now, the following: A small water-furrow is first brought in at the highest possible level on a suitable hill-side, and the stream is turned down the hill. By means of a heavy long wooden crowbar, shod with a long strongly- made chisel-pointed iron socket, and with the help of the stream of water, which rarely exceeds 50 cubic ...

MILLING CONTROL OPTIMISATION - MINTEK

Figures 8 and 9 on the right show results from a gold plant’s SAG mill achieved with MillStar’s Segregated Ore Feed Controller combined with the Power Optimiser: • The standard deviation of the mill feed control is greatly reduced. • The cyclone feed is more stable, allowing for consistent size separation and feed to downstream processes. Due to the tighter control the feed setpoint ...

Free Milling Gold Laboratory Testing - 911 Metallurgist

10/02/2017  Free Milling Gold Laboratory Testing. Friends often ask how accurate the work of our little stamp-mill is, or express the opinion that a little mill cannot do good work. As a reply we would like to place on record the results of a few tests. There are two periods of work in our laboratory; the fall term, when the class collectively goes through ...

Gold Mining and Prospecting in Indonesia -

06/10/2015  Indonesia is the 2nd leading gold producing country in Asia behind China, and currently ranks as the 9th leading gold producer in the world. Gold mining locations in Indonesia . The mining sector in Indonesia has made a very significant contribution to the economy of Indonesia over the past few decades, and is expected to do much more in the years to come. Indonesia

gold ore mining equipment in indonesia

Gold Mining in Indonesia Indonesian Gold Indonesia. Currently, Indonesia produces around four percent of global gold production, half of which originates from the giant Grasberg mine, the world largest gold mine, on the western half of Papua This mine, which is believed to contain the world's largest gold reserves (674 million ounces), is majorityowned by the American company FreeportMcMoRan ...

PT ANTAM Tbk Gold Precious Metal Refining

The gold ore at Pongkor and Cibaliung goes through various processes which include crushing, milling, cyanidation, carbon leaching and stripping, electro winning to melting and casting to produce bullion/ dore. The waste is processed at the detoxification plant to reduce the cyanide content of tailings to below the threshold limit value of 0.5 ppm, so that it can be safely used as a total ...

Grasberg Open Pit Copper Mine, Tembagapura, Irian Jaya ...

Ore from both operations is transported by conveyor to centralized mine facilities, feeding a combined daily average total of some 225,000t of ore to the mill and 135,000t to the stockpiles. Production equipment includes 30m³–42m³ buckets, a 170-strong fleet of 70t–330t haul trucks, together with 65 dozers and graders, with radar, GPS and robotics used in the mine’s state-of-the-art ...

INDONESIA Freeport-McMoRan

Through its subsidiary, PT-FI, FCX mines one of the world’s largest copper and gold deposits in the Grasberg minerals district in Papua, Indonesia. In addition to copper and gold, PT-FI produces silver. FCX has a 48.76 percent interest in PT-FI and manages its mining operations. PT-FI’s results are consolidated in FCX’s financial statements.

Grasberg Copper-Gold Mine - Sika

West Papua, Indonesia. The Grasberg mine operated by Freeport McMoRan and jointly owned by Freeport and Rio Tinto is one of the largest mining clusters on the globe. The mine is located in the very remote highlands of the Sudirman mountain range in the province of Papua, Indonesia. The Grasberg ore bodies contain very high combined copper-gold ...

PT Freeport Indonesia

17/05/2017  PT Freeport Indonesia's copper and gold ore production is targeted to increase compared to previous years in line with the increasing production of underground mines. A spokesperson for PT Freeport Indonesia, Riza Pratama, who was contacted from Timika, Tuesday (18/5), said this year's copper ore production is targeted to reach 1.4 billion pounds, while gold ore production is targeted at

CHALLENGES AND OPPORTUNITIES IN INDONESIA MINING AND ...

Sulawesi(PT Indonesia Coal Resources) NICKEL ORE MINE Tanjung Buli, North Maluku COAL MINE Sarolangun, Jambi PRECIOUS METALS PROCESSING REFINERY Pulogadung, Jakarta GEOMIN EXPLORATION UNIT Pulogadung, Jakarta Precious metals GOLD MINE Pongkor, West Java GOLD MINE Cibaliung, Banten (PT Cibaliung Sumberdaya) BAUXITE MINE Tayan, West Kalimantan

MILLING CONTROL OPTIMISATION - MINTEK

Figures 8 and 9 on the right show results from a gold plant’s SAG mill achieved with MillStar’s Segregated Ore Feed Controller combined with the Power Optimiser: • The standard deviation of the mill feed control is greatly reduced. • The cyclone feed is more stable, allowing for consistent size separation and feed to downstream processes. Due to the tighter control the feed setpoint ...

Free Milling Gold Laboratory Testing - 911 Metallurgist

10/02/2017  Free Milling Gold Laboratory Testing. Friends often ask how accurate the work of our little stamp-mill is, or express the opinion that a little mill cannot do good work. As a reply we would like to place on record the results of a few tests. There are two periods of work in our laboratory; the fall term, when the class collectively goes through ...

Gold Mining in Indonesia - Indonesian Gold Indonesia ...

Gold Production in Indonesia. Currently, Indonesia produces around four percent of global gold production, half of which originates from the giant Grasberg mine, the world largest gold mine, on the western half of Papua. This mine, which is believed to contain the world's largest gold reserves (67.4 million ounces), is majority-owned by the American company Freeport-McMoRan Copper Gold Inc ...

Grasberg Mine – Tembagapura, Indonesia - Atlas Obscura

The ore is then sent in a slurry along three pipelines to the seaport of Amamapare, over 70 miles away. It is filtered and dried at the port, after which the copper, gold, and silver can be ...

gold ore mining equipment in indonesia

Gold Mining in Indonesia Indonesian Gold Indonesia. Currently, Indonesia produces around four percent of global gold production, half of which originates from the giant Grasberg mine, the world largest gold mine, on the western half of Papua This mine, which is believed to contain the world's largest gold reserves (674 million ounces), is majorityowned by the American company FreeportMcMoRan ...

PT Freeport Indonesia

17/05/2017  PT Freeport Indonesia's copper and gold ore production is targeted to increase compared to previous years in line with the increasing production of underground mines. A spokesperson for PT Freeport Indonesia, Riza Pratama, who was contacted from Timika, Tuesday (18/5), said this year's copper ore production is targeted to reach 1.4 billion pounds, while gold ore production is targeted at

CHALLENGES AND OPPORTUNITIES IN INDONESIA MINING AND ...

Sulawesi(PT Indonesia Coal Resources) NICKEL ORE MINE Tanjung Buli, North Maluku COAL MINE Sarolangun, Jambi PRECIOUS METALS PROCESSING REFINERY Pulogadung, Jakarta GEOMIN EXPLORATION UNIT Pulogadung, Jakarta Precious metals GOLD MINE Pongkor, West Java GOLD MINE Cibaliung, Banten (PT Cibaliung Sumberdaya) BAUXITE MINE Tayan, West Kalimantan

Cikidang Hydrothermal Gold Deposit in Western Java, Indonesia

Epithermal ore deposits associated with volcanism in western Java include gold deposits within and on the RESOURCE GEOLOGY, vol. 52, no. 4, 341–352, 2002 341 Cikidang Hydrothermal Gold Deposit in Western Java, Indonesia Mega F. ROSANA and Hiroharu MATSUEDA* Department of Earth and Planetary Sciences, Hokkaido University, Kita-ku, Kita 10 Nishi 8, Sapporo 060-0810, Japan [e-mail :

Indonesia to ease mineral export ban from 2017 -

16/02/2016  Indonesia to ease mineral export ban from 2017. Freeport-McMoRan Copper Gold Grasberg mine in Indonesia’s West Papua province. ( Image from archives) The government of Indonesia will relax ...

Gold Data Sheet - Mineral Commodity Summaries 2020

Employment, mine and mill, number5 11,500 11,600 11,900 12,200 12,000 Net ... and Indonesia offset decreased gold mine production in Peru, South Africa, the United States, and Zimbabwe. In the first 9 months of 2019, domestic consumption of gold used in the production of coins and bars decreased by more than 19%; however, gold consumption for jewelry increased slightly. Globally, gold ...

MILLING CONTROL OPTIMISATION - MINTEK

Figures 8 and 9 on the right show results from a gold plant’s SAG mill achieved with MillStar’s Segregated Ore Feed Controller combined with the Power Optimiser: • The standard deviation of the mill feed control is greatly reduced. • The cyclone feed is more stable, allowing for consistent size separation and feed to downstream processes. Due to the tighter control the feed setpoint ...

Photos of gold ores, quartz, telluride gold ore and gold ...

In most gold ore, the gold is present in tiny specs, either within minerals like pyrite, or spread out free among the quartz. Normally even good, rich gold ore has no gold metal which is visible to the naked eye. The photo at left shows small particles of metallic gold in quartz taken from the mountains of Canada. Sections of gray colored quartz in the specimen have this appearance because of ...