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NG28 provides foundation testing related to the core drilling method to detect pile integrity inspection services. The strength, pile length, bearing layer properties, integrity, and sediment thickness are used to drill core samples to detect pile length, pile defects, and pile bottoms. The thickness of the sediment and the strength of the concrete of the pile body are used to determine or identify the rock and soil properties of the pile tip.

NG28 provides road engineering material testing services related to building materials and construction engineering. In order to ensure the safety and quality of my country's traffic roads, the quality of road engineering materials should be comprehensively tested. By improving the testing of road engineering materials, it can provide good conditions for traffic operation. . NG28 is committed to providing one-stop professional facility safety and quality assurance for public buildings, industry, commerce, infrastructure and other fields at home and abroad.

NG28 provides steel structure inspection services related to building materials and construction engineering. The rapid development of the steel industry has become an important economic lifeline of our country. Under this background, steel structure engineering technology has developed rapidly, and non-destructive testing is an indispensable technology for industrial development. Tools and technological level can already be used to measure the industrial level of a country to a certain extent. NG28 is committed to providing one-stop professional facility safety and quality assurance for public buildings, industry, commerce, infrastructure and other fields at home and abroad.

NG28 provides electronic and electrical testing services related to building materials and construction projects. Electrical materials such as switches and sockets are widely used in daily life, and safety issues are gradually gaining attention. NG28 is committed to providing one-stop professional facility safety and quality assurance for public buildings, industry, commerce, infrastructure and other fields at home and abroad.

NG28 provides testing services for traffic safety facilities related to building materials and construction projects. Traffic safety facility testing: signs, markings, verticality of columns, anti-skid performance of markings, coating thickness of markings, chromaticity, luminosity

NG28 provides bridge engineering inspection services related to building materials and construction engineering, bridge engineering inspection: bridge structure and component inspection, bridge dynamic and static load test, appearance inspection.

NG28 provides testing services for urban water supply and drainage engineering related to building materials and construction projects, closed water test of non-pressure pipelines, hydraulic pressure test of pressure pipelines, closed air test of non-pressure pipelines, physical quality (water seepage, defects), pipeline endoscopic video camera ( CCTV) inspection, pipeline periscope (QV) inspection), full water test, air tightness test, physical quality (water seepage, defects).

NG28 provides railway engineering inspection services related to building materials and construction engineering, concrete and raw material inspection, geotechnical inspection, foundation pile inspection, tunnel inspection, track inspection, steel structure inspection

NG28 provides testing services for geosynthetics related to building materials and construction engineering. Geosynthetics is currently widely used in China. All aspects of project engineering have shown full attention to the quality of geosynthetics. Comprehensive and strict testing of geosynthetics is the most powerful guarantee for the quality of geotechnical engineering and civil engineering. NG28 is committed to providing one-stop professional facility safety and quality assurance for public buildings, industry, commerce, infrastructure and other fields at home and abroad.

NG28 provides testing services for fiber composite materials related to building materials and construction projects, including appearance, size, interlayer shear strength, positive tensile bond strength, elongation, mass per unit area, tensile modulus of elasticity, and tensile strength.

NG28 provides landscaping inspection services related to building materials and construction projects. NG28 is committed to providing one-stop professional facility safety and quality assurance for public buildings, industry, commerce, infrastructure and other fields at home and abroad.