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Nodong offers a variety of products including construction materials and machinery.

Beijing Ruiwei Century Railway Engineering Co., Ltd. is a nationally renowned professional geotechnical grouting design and construction company, possessing multiple technical patents and research achievements, including the DDD grouting method, SGZ method, large cross-section tunnel horizontal jet grouting construction method, rapid pipe shed construction technology, among others. The company has compiled and participated in the writing of multiple construction specifications for geotechnical grouting and is a leading enterprise in a specialized market. The company's main feature is to provide specialized contracting services for high-difficulty and high-risk tunnel grouting projects, while also handling other underground engineering geotechnical grouting businesses. It has a good performance and reputation in the field of grouting construction for new railway tunnels, existing railway tunnel disease remediation, and subway utility tunnels.

We provide all the accessories, frames, crossbars, wheels, platforms, and screws for your scaffolding rental in Querétaro.

The China Maritime Exhibition is held annually in March alongside the China International Petroleum and Petrochemical Technology Equipment Exhibition (cippe). It features 2,000 exhibiting companies from 65 countries and regions, including 46 Fortune 500 companies and 18 international pavilions, attracting 150,000 professional visitors to an exhibition area of 120,000 square meters. It has become an annual Asian maritime engineering event covering the fields of marine engineering, marine oil and gas, and land oil and gas.