The screw is a tool used to tighten the parts step by step by using the physical and mathematical principles of the circular rotation of the inclined plane and the friction force. Screw is a general term for fasteners, so what are the certifications for screws?
1. CE Certification
CE certification, that is, limited to the basic safety requirements of products that do not endanger the safety of humans, animals and goods, rather than the general quality requirements, the harmonization directive only lays down the main requirements, the general directive requirements are the task of the standard. CE stands for European unity, and the CE mark is a safety qualification mark, a safety certification mark, which is regarded as a passport for manufacturers to open and enter the European market.
Any country's products to enter the European Union, the European Free Trade Area must be CE certification, in the product affixed CE mark. CE certification is applied in doors and Windows, building materials, floors, glass, cement, pipes and other products. All products with the "CE" mark can be sold in the EU member States, so as to realize the free circulation of goods within the EU member States. CE certification provides a unified technical specification for the trade of products in the European market and simplifies the trade procedure.
2. SGS certification
SGS certification refers to the service provided by SGS in compliance with standards, regulations and customer requirements. To carry out the relevant certification, must pass the inspection, testing, identification, certification and other means (SGS certification itself is not a certification, but refers to the certification service organization SGS).
What does SGS certification cover?
All kinds of professional laboratories in accordance with the United States, Canada, the European Community, the United Kingdom, Germany and other standards or customer requirements to provide comprehensive testing and issued widely recognized authoritative test reports:
SGS Materials Laboratory can provide building materials, polymer materials, and materials testing, including mechanical properties, composition, size, aging, salt spray, composition, flame retardant, etc.
SGS inspection team can provide supply chain management, customs clearance report, nondestructive testing and other on-site inspection services. SGS Chemical Laboratory can provide the most comprehensive environmental testing, wet analysis of components and other complex chemical analysis.
3.TUV certification
TuV mark is a safety certification mark customized by TuV for components and components, which is widely accepted in Germany and Europe. At the same time, enterprises can apply for the TuV mark, combined with the CB certificate, thus through the conversion to obtain the certificate of other countries. Moreover, after the product is certified, TuV will recommend these products to rectifier machine manufacturers who come to inquire for qualified component suppliers; In the process of the whole machine certification, all the components that have obtained the TuV mark can be exempted from inspection.
Goldensea Hardware screw products have been CE/SGS/TUV certification, product quality is reliable, looking forward to in-depth cooperation with customers around the world.
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