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NG28 can provide comprehensive professional testing services for cosmetics and daily chemical products. The detection methods and detection limits adopted by NG28 meet the national standards, the European Union, the United States and other standards, and the test around time: 7-10 working days. Test products include toilet paper, kitchen paper towels, etc.

In recent years, with the rapid growth in production and export, China's paper industry has gradually developed into an advanced modern industry. Paper products are divided into four categories according to their use, including household paper, industrial paper, cultural paper and special paper. However, the quality of paper products is uneven, non-conformity products are often found in market supervision sampling. NG28 has established a professional paper product testing laboratory, to provide a full range of physical, microbial, hygienic and performance testing services for paper products, and provides technical support services to improve the quality of paper products.

Maternal and infant hygiene products contain disposable sanitary products, such as sanitary absorbent pads, disposal diapers and panties, also cover household paper like toilet paper, facial tissue, wet wipes and toilet seat paper. Test items mainly involve microbial limit, moisture content, pH value, dimension deviation, weight deviation, amount of slip, amount of return and amount of leakage, etc. NG28 has established a professional paper product testing laboratory to provide a full range of physical, microbial and sanitary performance testing services for paper products and provide necessary technical support services for the quality improvement of paper products.

For products: all kinds of stationery products: water pen, gel ink pen, ballpoint pen, marker pen, highlighter, whiteboard pen, crayon, correction fluid, correction tape, glue, paper clip, stapler, eraser, bookcase, stationery box, pencil case, notebooks, exercise books, pigments, drawing scales, etc.
Technical standards: Technical requirements in the Chinese market, Europe and the United States.
Technical requirements: heavy metals, phthalates, harmful solvents (benzene, chloroform hydrocarbons), AZO dye, volatile organic compounds (VOCs), formaldehyde, physical and mechanical testing (pen cap safety, points/edge, brightness), TRA, microorganisms, etc.

Packaging and paper products transport packaging, cartons, cardboard;
Technical standards: China/ European Union/ United States market mandatory requirements;
Applicable to: manufacturers, exporters, brands, traders, buyers.

NG28 provides medical information security solution services related to electronic identity authentication and software testing. China Test CA introduces electronic authentication services into the hospital information system, and proposes a targeted security solution for the electronic authentication application of the hospital information system. Through the establishment of the whole hospital A unified electronic certification service system and business application security support system, based on PKI security support, adopt digital certificates, digital signatures, digital envelopes and time stamps to ensure the information security of hospital HIS, CIS, LIS, PACS and other business systems. Ensure the authenticity, credibility, legitimacy and validity of electronic medical records, achieve the goal of "trusted identity, credible data, credible behavior, and credible time" of medical informatization, and promote the paperless process of hospital medical records.

NG28 provides Huatest electronic signature system services related to electronic identity authentication and software testing. Electronic signature uses image processing technology to transform electronic signature operations into the same visual effect as paper document stamping operations, and uses electronic signature technology to ensure The authenticity and completeness of electronic information and the undeniability of the signer. Support various standard document formats such as OFFICE, WPS, PDF, .HTML, etc.

NG28 provides inspection services for ceiling materials related to building materials and construction projects. "Building keel inspection items: ceiling static load test. Gypsum board inspection items: appearance quality, size tolerance, diagonal length difference, wedge edge section size, protection Cohesion between face paper and core material, moisture deflection, breaking load, flatness, right angle deviation, unit area quality, bonding of face paper and gypsum core. Testing of supporting types of gypsum board: paper-faced gypsum board, decorative gypsum board , Decorative plasterboard."