Optical glass is a kind of glass that can change the direction of light propagation and change the relative spectral distribution of ultraviolet, visible and infrared light at the same time. It has high transparency, high uniformity and accurate optical constants. It is the main raw material for manufacturing optical lenses and optical instruments.

2023-02-24

After the spring, China Cement Network Cement Big Data Research Institute paid close attention to the downstream resumption of work, conducted intensive visits and research on cement enterprises, listened to the voice of the industry, and explored the future trend.

2023-02-24

Iraq's central bank has said it plans to allow trade with China to be settled directly in renminbi to improve foreign exchange reserves and cope with a shortage of dollars in the domestic market.

2023-02-24

Price Statistics of C30 Concrete in All Regions of China in the Second Half of February 2023

2023-02-24

On Thursday, the rebar price index of China Cement Net closed at 169.45 points (2016 = 100 points), up 2.15% annually and down 11.63% year-on-year.

2023-02-24

To be sold for 12.9 years, the initial price of listing is 83.3073 million yuan, and Hubei Trading Handu Mining Development Co., Ltd. is 83.5 million yuan, with a premium of 192700 yuan.

2023-02-24

"The current market construction rate is not high and the price competition is fierce."

2023-02-24

It is the first time to apply C60 mountain sand concrete to large span concrete bridge, which provides a new idea for selecting high strength building materials according to local conditions in mountainous areas lacking river sand.

2023-02-24

Yesterday, the pouring of the inverted arch of the first plate of Shantou Bay Tunnel, the control project of the Shugang Railway in Guangzhou-Macao Port Area, was completed, which is another key construction node of the project after the successful entry of the tunnel exit on February 13.

2023-02-24

Float glass prices fell for the first time since 2023

2023-02-24

China Power Construction has successively won the bidding for the Pipe and Equipment Procurement (PCCP) Project of Tongliao Line of Inner Mongolia Branch Line Project, the PCCP Pipe Procurement Project of Guangdong Water Resources Allocation Project in Beibu Gulf Rim, and the Shaofeng Trunk Canal Project of Goumutang Reservoir Irrigation Area in Zishui, Hunan Province.

2023-02-24

On February 23, the Science and Technology Department of the Ministry of Transport organized an expert group to conduct on-site acceptance of the scientific and technological demonstration project of Taihu Tunnel with super-long weir.

2023-02-24

Price Statistics of S95 Mineral Powder in National Key Regions (2.23)

2023-02-24

The total construction and installation cost of the two bidding sections is 9.828 billion yuan.

2023-02-24

Products and equipment are widely used in various fields of production and life, and are important tools to ensure economic and social development. It is of great significance to coordinate energy conservation, carbon reduction and recycling, speed up the renovation and transformation of products and equipment in key areas, speed up the construction of a new development pattern, smooth the domestic cycle, expand effective investment and consumption, and actively and steadily promote carbon peak carbon neutralization.

2023-02-24

On the afternoon of February 22, Lin Yongquan, Deputy General Manager of Science and Technology Innovation Department of China Resources Cement Holdings Co., Ltd., General Manager of China Resources Cement Technology Research and Development Co., Ltd., and Tao Congxi, Chief Expert, visited Wuhan University of Technology to discuss industry-university-research cooperation.

2023-02-24

On February 22, Baowu Huanke and Huaxin Cement held the signing ceremony of strategic cooperation agreement in Huaxin Building, Wuhan.

2023-02-24

In 2023, it is planned to complete the greening area of 68000 mu and plant 11.37 million trees. Establish a marketing system, complete the annual task before the end of November each year, check and accept in December, and sell the abandoned mines that have been restored to green in each city.

2023-02-24

Hunan is a major province of material industry. We hope that the two sides will continue to deepen cooperation, promote the integration of industry, education and research, expand cooperation space in the field of new materials, jointly promote the high-quality development of graphite industry, make Hunan's building materials industry better, stronger and bigger, and show new achievements in the construction of a new development pattern. Hunan will continue to support the investment and development of China Building Materials Group in Hunan and provide high-quality service guarantee.

2023-02-24

On February 23, the signing ceremony of Jiujiang Southern Green Building Materials and Supporting Waste Heat Power Generation Project with an investment of 2 billion yuan was held in the conference room of the Standing Committee on the 16th floor of the county administrative center.

2023-02-24