Other raw materials price increases of iron and
But last year, the average annual 85 iron and steel enterprises steel prices only rose by 11.83 percent, mainly due to cost factors, Iron and Steel Association member companies average sales profit rate of only 2.42%, down 0.59 percentage points, far below the same period The average level of profits of industrial enterprises above the designated size. 'In particular, last year in October, November and December, the month breakeven member companies realized profits were only 1.4 billion RMB, 1.2 billion RMB and 30 billion, the average sales profit rate of only 0.48%, 0.43% and 1.04 % less part of the corporate investment income, profits increased influence of non-steel industry, iron and steel industry in the fourth quarter basic loss situation in the entire industry.
In the context of industry losses, China's steel production declined According to the National Bureau of Statistics, last year, China's pig iron, crude steel and steel products (including duplicate material) output of 629.69 million tons, 683.27 million tons and 881.31 million tons, respectively, an increase of 8.4%, 8.9% and 12.3%. Which our country since the highest level reached 1.9977 million tons of crude steel day of June, the second half of July to November crude steel average daily production for five consecutive months qoq decline in December than in November rose slightly, but also throughout the year second only to the lowest level in November. '
Represented by China, the slowdown in global steel demand, steel production decreased rather than increased, due to market factors, this phenomenon is a signal of iron ore oversupply situation has been formed.
Sand Maker is a high-efficiency rock crushing equipment with home and international leading level; the machine is developed by introducing the crushing theory and technology from Barmag Company of America and combining the actual situation of sand making. It is widely used for crushing hard and crispy materials, such as rock, grinding material, refractory material, cement clinker, quartzite, iron ore and concrete aggregate; and it is especially suitable for the sand and sandstone making for construction and road paving.
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Hydraulic universal testing machines have very high accuracy requirements.
The hydraulic system is the power drive mechanism of the tensile testing machine.
The specific application of the electronic universal testing machine in the automobile manufacturing process: The electronic universal testing machine needs to be used for automobile parts.
Wave soldering refers to the molten solder (lead-tin alloy), sprayed by electric pump or electromagnetic pump into the solder wave required by the design, can also be formed by injecting nitrogen into the solder pool, so that it is pre-loaded The printed board of the component realizes the soft soldering of the mechanical and electrical connection between the solder end or the pin of the component and the pad of the printed board through the solder wave.
The frequency converter is a power control equipment that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working power supply.
Electronic universal testing machine is a necessary equipment to control the quality of products.
The calibration operation of the electronic universal testing machine is still relatively unfamiliar to friends who use it for the first time.
Selective wave soldering defects and their prevention.
Testing machine, broadly speaking, is an instrument that verifies the quality or performance of a product or material according to the design requirements before it is put into use.
The tensile force is not an accurate value after being measured by the testing machine, and subsequent calculations are required to get the desired value.
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