Precast News From China
【 Introduction 】 The strength grade of concrete directly determines the bearing capacity, safety, and applicable scenarios of buildings.
C800 grade concrete is currently known to have the strongest compressive performance in the world in the laboratory.
Its performance breaks through conventional knowledge and is the forefront benchmark of concrete material technology.
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I build a new house in my hometown in the countryside, and I always hope that it will be strong and sturdy, even if I live there for 100 years, it will still be like a fortress, as strong as ever.
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According to Article 6 of the “Announcement on the Connection of Value added Tax Preferential Policies after the Implementation of the Value added Tax Law” jointly issued by the Ministry of Finance and the State Administration of Taxation (Announcement No.
10 of 2026 of the Ministry of Finance and the State Administration of Taxation), the domestic value-added tax preferential policies issued before December 31, 2025 will be fully terminated from January 1, 2026.
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Concrete is widely used in construction, and its value-added tax treatment varies significantly depending on the type, production method, and business model.
The core lies in accurately distinguishing policies and avoiding tax risks.
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Dear testers, take a few seconds to say something! Previously, I used multiple download methods to share PPT, but the results were not very satisfactory – especially the Baidu Cloud link, which not only frequently failed, but also had to be transmitted from both the website and cloud storage, adding a lot of extra workload.
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In the field of concrete engineering, the increasing depletion of natural river sand resources has promoted the widespread application of mechanism sand.
Accurately predicting the compressive strength of limestone mechanism sand concrete (MSC) has become a key issue in engineering design and proportioning optimization.
A recent study published in the Journal of Building Engineering, which combines machine learning and microstructure analysis methods, not only constructed a high-precision MSC compressive strength prediction model, but also revealed the regulatory mechanism of key parameters such as stone powder content on its performance, providing important theoretical and practical support for the engineering application of mechanism sand concrete.
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Recently, the Announcement No.
10 of 2026 by the Ministry of Finance and the State Administration of Taxation was officially released.
Starting from January 1, 2026, the 3% simplified tax calculation policy for concrete companies has completely become history.
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The underground garage has never been an ‘insignificant supporting facility’, but an ‘invisible facade’ of project quality, and a key detail that affects homeowners’ repurchase, property reputation, and project premium.
Many high-end real estate projects have impeccable main building and garden landscapes, but the underground parking garage is plagued by issues such as sanding, graying, hollowing, cracking, and difficult to clean stains due to poor floor quality.
This not only greatly reduces the parking experience for homeowners, but also makes it difficult to achieve the high-end positioning of the project.
In the later stage, the property management also needs to invest a lot of manpower and resources in repeated repairs, which is not worth the loss.
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Tunnel lining, as an important load-bearing structure and “face engineering” of tunnels, both its physical and visual quality are very important.
This article lists some quality problems and prevention measures of secondary lining for your reference.
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