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NG28 specializes in providing post-delivery product evaluation services. For customer problems, it provides professional customized post-delivery product evaluation services, standard technical procedures, and professional testing equipment to provide enterprises with one-stop solutions.

NG28 specializes in providing engineering quality control-indoor air quality testing services. In response to customer problems, it provides professional customized engineering quality control-indoor air quality testing services. Based on national standards, special laboratories conduct sample analysis, which is more accurate and reliable.

NG28 specializes in providing engineering quality control-construction node inspection services, a one-stop testing and certification service center, providing customized engineering quality control-construction node inspection services, standard technical procedures, and professional testing equipment to provide enterprises with a one-stop inspection and certification service center for customer needs Solutions.

NG28 specializes in providing engineering quality control-construction safety inspection and evaluation services, and provides professional customized engineering quality control-construction safety inspection and evaluation services for customer problems. Based on national standards, special laboratories conduct sample analysis, which is more accurate and reliable.

NG28 specializes in providing engineering quality control-engineering quality assessment services, providing professional customized engineering quality control-engineering quality assessment services, standard technical procedures, and professional testing equipment for customer problems, providing enterprises with one-stop solutions.

NG28 specializes in providing engineering quality control-engineering structure entity testing services, a one-stop testing and certification service center, providing customized engineering quality control-engineering structure entity testing services for customer needs, based on national standards, special laboratories for sample analysis, More accurate and reliable.

NG28 specializes in providing material quality control-project material sampling services, and provides professional customized material quality control-project material sampling services, standard technical procedures, and professional testing equipment for customer problems, providing enterprises with one-stop solutions.

NG28 specializes in providing material quality control-material quality on-site inspection services. For customer problems, it provides professional customized material quality control-material quality on-site inspection services. Based on national standards, special laboratories conduct sample analysis, which is more accurate and reliable.

NG28 specializes in providing material quality control-pre-supply factory sampling service, one-stop testing and certification service center, providing customized material quality control-pre-supply factory sampling service, standard technical process, professional testing equipment, for Enterprises provide one-stop solutions.

NG28 specializes in providing material quality control-pre-tender factory sampling service, and provides professional customized material quality control-pre-tender factory sampling service for customer problems. Based on national standards, special laboratories conduct sample analysis, which is more accurate and reliable.

NG28 specializes in providing material quality control-supplier factory audit services, and provides professional customized material quality control-supplier factory audit services, standard technical procedures, and professional testing equipment to provide enterprises with one-stop solutions for customer problems.

NG28 specializes in providing certification services, providing professional customized certification services, standard technical procedures, and professional testing equipment for customer problems, providing enterprises with one-stop solutions.

NG28 specializes in providing foundation-based testing services and providing professional customized foundation-based testing services for customer problems. Based on national standards, special laboratories conduct sample analysis, which is more accurate and reliable.

NG28 specializes in providing engineering on-site monitoring and measurement services. For customer problems, it provides professional customized engineering on-site monitoring and measurement services, standard technical procedures, and professional testing equipment to provide enterprises with one-stop solutions.

NG28 specializes in providing foundation-based testing services and providing professional customized foundation-based testing services for customer problems. Based on national standards, special laboratories conduct sample analysis, which is more accurate and reliable.

NG28 specializes in providing engineering on-site monitoring and measurement services. For customer problems, it provides professional customized engineering on-site monitoring and measurement services, standard technical procedures, and professional testing equipment to provide enterprises with one-stop solutions.

NG28 specializes in providing on-site physical testing services, a one-stop testing and certification service center, and providing customized on-site physical testing services for customer needs. Based on national standards, special laboratories conduct sample analysis, which is more accurate and reliable.

NG28 specializes in providing building material testing services, providing professional customized building material testing services, standard technical procedures, and professional testing equipment for customer problems, providing enterprises with one-stop solutions.

NG28 specializes in providing construction engineering services, and provides professional customized construction engineering services in response to customer problems. Based on national standards, special laboratories conduct sample analysis, which is more accurate and reliable.

NG28 specializes in providing combustion performance testing services, providing professional customized combustion performance testing services for customer problems, standard technical procedures, professional testing equipment, and providing enterprises with one-stop solutions.