Prove that your product meets all relevant EU directives by an authoritative certification body
Documentation and formal declaration of conformity that meets EU regulations or customer requirements
Emphasize product characteristics such as safety, quality, reliability, environmental suitability and compliance with standards
Prevent litigation arising from product liability
Timely reflection of changes due to changes in test certifications and changes in technical specifications 
CB-Electrical Safety Global Mutual Recognition System. The certification bodies of nearly 40 member states of the International Electrotechnical Commission (IEC) mutually recognize each other's test reports based on IEC electrical safety standards on a voluntary basis. National certification of IEC member states The organization (NCB) is eligible to issue CB reports and certificates. 
TUV Almighty Logo - On this logo, through the combination of different certification marks, it can reflect the product certification, and can also identify the status of the system certification, thus breaking through the single expression of the previous certification mark, and enabling certified companies and Products are clearly differentiated from other companies and products. 
TUV-GS logo-TUV Product Service Co., Ltd., as a certification body authorized by the German government, can issue the TUV-GS certification mark. The GS mark is the abbreviation of "Safety Certified" in German and is a product safety mark. It is mainly applicable to people. Direct contact with electrical and mechanical products. In terms of electrical safety, the requirements of the GS mark and the CE low voltage directive are basically the same. The mark has been in Germany for nearly 40 years and is widely recognized. Germany's important position in the European economy, other European countries also agree with the GS mark. Products applying for the GS mark and certificate must be tested by a third-party independent certification body in accordance with European standards (EN standards) or German standards, and the quality of the production enterprise. After the system is inspected, the certificate can be issued. After obtaining the GS mark and certificate, the applicant can print the GS mark on the product. The certification body conducts factory inspections on the production company every year to ensure product conformity and consistency. 
CE0123-TUV Product Service Co., Ltd., as the official announcement body of the European Union, is authorized by the European Union to carry out product certifications for dangerous categories (such as medical devices, gas appliances, etc.). After the certification is passed, the CE mark must be accompanied by a certification. The four digits of the organization number are used to supervise the manufacturer and the certification body. CE0123 is the agency number of TUV Product Services Ltd. 
ASME- is an abbreviation of the American Society of Mechanical Engineers. The Association establishes regulatory standards for boiler and pressure vessels and has authorized agencies to perform inspections. 
CE-EU Compulsory Certification Mark. Based on the EU Directive, it regulates product safety, electromagnetic compatibility, energy efficiency and other characteristics. It involves electrical products, communication products, medical equipment, pressure vessels, gas appliances, toys, industrial machines, individuals. Protective equipment, etc. Any product that belongs to the CE Directive must comply with all relevant CE directives before it can enter the EU market. 
EMC mark - the electromagnetic compatibility certification mark, relates to the radio interference and anti-interference characteristics of electrical and electronic products. The test is carried out by a third-party certification body. TUV Product Service Co., Ltd. and the United States UL, Australia QAS, Italy IMQ, Germany VDE and British BABT, etc. The organization has a unified electromagnetic compatibility certification mark. One test, internationally accepted. 
CE0036-TUV Engineering Technology Service Co., Ltd., as the official announcement body of the European Union, is authorized by the European Union to carry out inspection and certification of boiler pressure vessels, cylinders and other fixed and mobile pressure equipment. After passing the CE mark on the product, certification is required. The number of the organization. CE0036 is the number of TUV Engineering Services Ltd. 
TUV parts certification mark - similar to the TUV-GS mark, regulates the safety of electrical and mechanical parts. The test is based on European standards or German standards. Factory inspection is required before the certificate is issued. 
The British Telecommunications Audit Bureau of CE0168-TUV Product Service Co., Ltd., as the official announcement body of the European Union, is authorized by the European Union to carry out inspection and certification of communication products. After the certification is passed, the CE mark must be followed by four digits indicating the number of the certification body. Numbers to monitor producers and certification bodies. CE0168 is the agency number of the UK Telecommunications Audit Office.
The Mining Roadheader series products are suitable for non-explosive heading projects in the mining field. They are provided for customers who are not allowed to use explosive methods in coal mines and tunnel engineering. A series of products are widely used in coal mines, railway highway tunnels, water conservancy projects and other fields. The company's various types of roadheaders meet the customer's design of various sizes of roadways, tunnels, of shale, sandstone, mudstone, coal rock, coal and other rock tunnels and coal mine tunnels with a Platts hardness below 120Mpa.
At present, the roadheader has become the core equipment of mining mechanization and plays an extremely important role in the coal mining process. NHG comprehensively carried out the research and development of advanced technology and equipment for roadheaders in combination with advantageous resources. At present, EBZ100, EBZ132, EBZ160, EBZ180, EBZ230, EBZ260, EBZ280, EBZ300, EBZ320 and other more than 20 types of machines have been developed, and roadheader products have formed a good brand reputation and influence in the international market. The application of these products not only meets the needs of customers, but also effectively improves the service life and production efficiency of the roadheader.
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NORTH HEAVY GRYPS EQUIPMENT AND ENGINEERING CO.,LTD , https://www.nhgtunnel.com