Jieyang Observation Standard Stainless Steel Observation Standard Wholesale Price Low

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　　Sales Manager Sun: Customization of various observation markers, observation points, observation piles, settlement protection boxes, settlement pipes, inclinometers, pore pressure gauges, guardrail supports, circular observation markers for high-speed use

　　The observation of settlement observation points should not only comply with the technical requirements of general leveling measurement, but also meet the following requirements: (1) For second and third level observation points, except for the main deformation characteristic points such as building corner points, junction points, and boundary points, it is allowed to use the inter view method for observation, but the length of the line of sight should not exceed the length specified for the corresponding level. (2) During observation, instruments should be avoided from being placed within the range of vibration effects such as air compressors, mixers, and winches. It is also not advisable to set up stations near construction machinery such as tower cranes. (3) Each observation should record various factors that affect settlement changes and anomalies, such as construction progress, increased load capacity, warehouse inventory tonnage, building inclination, cracks, etc. [2] During the observation period of voice load changes, the settlement observation period should meet the following requirements: (1) During the construction of high-rise buildings, observe once every 1-2 floors, and for TV towers, chimneys, etc. every 10-15 meters of height increase; The load changes, meteorological conditions, and construction conditions of the building (structure) should be recorded during each observation. (2) Observation should be conducted before and after the addition of significant loads such as foundation concrete pouring, backfill soil, and structural installation; (3) A large amount of ponding, excavation, precipitation and rainstorm around the foundation shall be observed; (4) When uneven settlement occurs, increase the number of observations according to the situation; (5) During the construction period, if the construction is suspended for more than three months due to unforeseen circumstances, observation should be conducted during the suspension and before resuming work; (6) The structure should be capped until the completion of the project, and the settlement period should meet the following requirements: 1) When the settlement is uniform and the average settlement within three consecutive months does not exceed 1mm, it should be observed every three months; 2) When the average settlement does not exceed 2mm every three months for two consecutive times, observe once every six months; 3) Timely observation should be made when there are drastic changes in the external environment; 4) Observe once before handover; 5) After completion, the construction unit should observe once every six months until it is basically stable (1 mm/100d).Lange Review: Since November, the significant increase in imported iron ore prices has led to another rise in costs for steel companies. Coupled with the continuous bottom oscillation of the steel market and a significant year-on-year decline in steel production and sales, steel companies' profits have been significantly squeezed. According to data from the National Bureau of Statistics, in November 2021, the monthly profit of the black metal smelting and rolling processing industry was only 8.38 billion yuan, a decrease of 31.95 billion yuan month on month and 19.55 billion yuan year-on-year. So what are the reasons for the rise in imported iron ore prices and their future trends?

　　The Lange Steel Research Center believes that the main factors causing this round of iron ore price increase are as follows: first, the resumption of production by steel mills drives the release of raw material demand. Since December 2021, with the completion of production reduction work in multiple regions, the trend of steel mills resuming production has become apparent. From the perspective of blast furnace production, according to monitoring data from the Lange Steel Cloud Platform, as of January 7, 2022, the blast furnace operating rate of major steel companies surveyed by Lange Steel Network was 72.3%, an increase of 1.8 percentage points from early December 2021. From the production data of key steel enterprises compiled by the China Iron and Steel Association, it can also be seen that production has increased. In late December 2021, the daily production of pig iron by key steel enterprises was 1.886 million tons, an increase of 254000 tons from late November; The daily production of crude steel per ten days was 2.092 million tons, an increase of 375000 tons from late November; All have returned to the level of August. Although the steel production of key enterprises in early January 2022 has decreased compared to late December last year, it is still significantly higher than the previous level. The second reason is the increase in raw material stocking demand from steel mills during the New Year and Spring Festival holidays, which has driven the iron ore market prices to fluctuate upwards. Third, the rainstorm in Brazil and the seasonal hurricane in Australia in the first quarter increased the market's expectation of the impact on the iron ore supply side.

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