Other countries use brass to make bullets, why does China use refined steel?It is helplessFrom the beginning, bullets were made of brass, and because copper was so stretchable, they did not jam easily, so they had a certain reliability in battle.So brass is a good choice.But China does not like other countries use brass as a bullet production materials, because of brass, the yield was very low in China, combined with the production cost is relatively high, so every country can not accept, and military personnel in our country, use the bullet is very much, it will be to bring economic pressure ...
Release time: 2019 - 01 - 14
Views:27
Copper prices fell by 17.42% in 2018, totally different from market expectations. The main reason for the decline in copper price is from the macro aspect. First, the momentum of global recovery is obviously less than expected. Apart from the outstanding US and Japan economies, other major developed economies show different degrees of weakening momentum of recovery. Secondly, the rise of trade protectionism, and the trade dispute presents a different long-term and complex. Finally, the Federal Reserve continued to raise interest rates, the US dollar index and the US Treasury bond yield continu...
Release time: 2019 - 01 - 12
Views:15
Namibia used to be the fourth-largest exporter of tin, but its industrial-scale tin mines have since closed.The Uis Tin mine was previously owned by Iscor, a former state-owned South African company, which closed the mine in 1989.AfriTin shipped the first ore from its Uis Tin mine in namibia to its factory on Wednesday, setting the company on the path to its goal of rebuilding the country as a major player in the industry.Wednesday marked the start of the first phase of a pilot plant and the re-commissioning of the mine's tin production.Iscor has mined more than a dozen different mines, and Af...
Release time: 2019 - 01 - 19
Views:6
The project review work entrusted by the owner unit (please log in and check) has been successfully completed, and the 2019-01-18 on the procurement and tendering website released the notice of winning the bid of nickel salt company's 35kt/a high-end electroplating nickel salt project, and now the list of suppliers of the transaction is announced.Xkt/a high-end electroplating nickel salt project of nickel salt companyThe winning of the publicTender no. : gzx-jcgdddny-x-xJanuary X, 2017
Release time: 2019 - 01 - 19
Views:3
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2019 - 01 - 14
Other countries use brass to make bullets, why does China use refined steel?It is helplessFrom the beginning, bullets were made of brass, and because copper was so stretchable, they did not jam easily...
2019 - 01 - 12
Copper prices fell by 17.42% in 2018, totally different from market expectations. The main reason for the decline in copper price is from the macro aspect. First, the momentum of global recovery is ob...
2019 - 01 - 19
Namibia used to be the fourth-largest exporter of tin, but its industrial-scale tin mines have since closed.The Uis Tin mine was previously owned by Iscor, a former state-owned South African company, ...
2019 - 01 - 19
The project review work entrusted by the owner unit (please log in and check) has been successfully completed, and the 2019-01-18 on the procurement and tendering website released the notice of winnin...
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