One development history

The initial mining history of the Wa State in Myanmar was in the Longtan Tin Mine in Mengmao County, Wa State, and it was mainly harvested by hand. Later, until 2005-2007, new mineral resources were initially discovered in Manxiang District, Meneng County, Wa State. The area was officially mined as a tin ore resource from the end of 2009 to the beginning of 2010. It was dominated by the Myanmar Wa State Yuanhe Mining Company. Open-pit mining is adopted, and the minerals are all oxidized ore, which originates from landslides and mudslides. The workmanship is simple. During the period 2010-2011, more than 10-20% of the raw ore was processed. From the end of 2011 to the present, washed ore began to appear.

Two current status

1. Mine resources

The mining of tin ore in Myanmar basically started from the end of 2015 to the first half of 2016, which was a period of concentrated export volume. At that time, 7-8% of high-grade ore was mined in large quantities and exported to China. In 2016, China imported 472,506 tin ore from Myanmar. Tons, an increase of 65.45% year-on-year, accounting for 99.56% of China's total imports.

Up to now, 7-8% of high-grade ore is basically exhausted, and now the mainstream processed ore grade is 2-3%. New ore sources have not yet been discovered. Market participants generally expect that tin resources are still silent, but Myanmar tin mines The special distribution of discontinuities and the unknown storage depth make mining difficult and risky. Nevertheless, exploration operations are still in the works. According to market participants, in addition to the 1 to 2 million tons of high-grade tin ore stocks reluctant to sell by the Wa State Ministry of Finance, the time for 2-3% of the circulated ore on the market to be available for mining is only about 3 months. 2% of the raw ore is now gradually starting to stop.

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2. Mineral processing equipment

There are a large number of concentrators in the mine. Most people expect 130-150. The daily raw ore processing capacity of heavy flotation is 60,000 tons, but only 1/3 of them are in operation and production. New concentrators are still being built. The processing plants in Myanmar have been transferred back and forth, and market participants have entered and exported, and the Myanmar tin ore market is still booming. Due to the decline in the grade of raw ore, more and more flotation processes have been put into application, and the treatment methods of first flotation and first flotation are applied. This is mainly due to the technology research and development of investors in Hunan, Sichuan, Yunnan Yuxi and other places.

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3. Index of recovery rate

Raw tin ore contains tin grades of 1.5-1.99%, with a minimum recovery rate of about 76%; tin ore contains tin grades of 2-2.5%, with a minimum recovery rate of about 78%; tin ore contains tin grades of 2.5-3%, and a minimum recovery rate of about 79% ; The tin ore grade of tin is 3-3.5%, and the recovery rate is about 80%; the tin ore grade of tin is 3.5-4%, and the recovery rate is about 81%.

Three realistic bottlenecks

1. The inventory of raw ore is gradually decreasing. As new mineral sources have not yet been discovered, the current beneficiation is mainly based on processing the inventory discovered in advance, and the grade is getting lower and lower, and the cost is getting higher and higher.

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2. The risk of packaged blind purchase is high. There are holders in the market that sell a batch of minerals and price them based on artificially determined grades, and the purchaser can only bear the risks in order to obtain the source of raw materials.

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3. Restriction of plant production during dry season. It is currently in the dry season, and many concentrators have limited operations due to insufficient water sources. Myanmar enters the rainy season in June, and the operating rate will increase.

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4. The beneficiation technology is the most critical.

Before 2015, the raw ore was mainly oxidized ore. At present, almost all ore are sulfide ore. The beneficiation process has changed from complete re-selection to re-flotation. The recovery rate of beneficiation has also become the key to the survival of enterprises.

Four transaction price

1. Flotation ore

At present, the 20% flotation coefficient is 63, the gravity separation coefficient is 65, the 30% flotation coefficient is 67-67.5, and the 40% flotation coefficient is 68. The above prices are all non-taxable FOB prices at Meng'a Port.

2. Raw ore

1-1.5% 260 yuan/ton, with 1.3% as the standard, an increase of 0.1% plus 20 yuan;

1.5-1.99% 380 yuan/ton, with 1.5% as the standard, an increase of 0.1% plus 30 yuan;

2-2.49% 680 yuan/ton, with 2% as the standard, an increase of 0.1% plus 40 yuan;

2.5-2.99% 880 yuan/ton, with 2.5% as the standard, an increase of 0.1% plus 50 yuan;

3-3.5% 1180 yuan/ton, with 3% as the standard, an increase of 0.1% plus 60 yuan;

3.5-4% 1860 yuan/ton, with 3.5% as the standard, an increase of 0.1% plus 80 yuan.

Five future trends

Supported by the continuous mining of raw ore, the supply of tin ore in Myanmar is still continuing. The market supply will not decrease significantly in the next two months. The monthly export metal tons will continue to exceed 3,000 metal tons, but it is difficult to exceed 5,000 metal tons. The rainy season in Myanmar begins in June, transportation will be affected, but the beneficiation operation will continue, the market flow of goods will decrease but the stock will increase, and the rainy season will begin in November to end Myanmar's tin mine exports or usher in a peak again.