The business license is issued by the industrial and commercial administration and is the certificate for individual business operators to engage in production and business activities. Its format is uniformly stipulated by the State Administration for Industry and Commerce. The tax license proves that Konnra is a legal company and its income is reasonable.

ISO9001 is used to prove the ability of an organization to provide products that meet customer requirements and applicable regulatory requirements, with the goal of improving customer satisfaction. According to the practice of international economic cooperation and technical exchanges, both parties must have a common language, unified understanding and common standards in terms of product (including service) quality in order to cooperate and communicate. ISO certification quality management system certification provides this kind of trust, which is conducive to quickly reaching an agreement between us and our customers.

The IPC 620 certificate is issued by the International Electronics Industry Association (IPC) to prove that the relevant products or operations meet the requirements of the IPC-620 standard. The IPC-620 standard specifies the requirements for wire and cable assemblies and wire harness assemblies in detail, covering all aspects from raw materials to finished product assembly, including the specifications of wires in the harness, the types and characteristics of connectors, welding processes, assembly processes, inspection methods, packaging and labeling. Obtaining an IPC 620 certificate means that the products such as wire harness assemblies produced or processed by the company have reached the quality, reliability and process level specified in the standard, which helps to ensure that the products meet the requirements in terms of electrical performance, mechanical stability, etc., improve the consistency and traceability of products, and enhance the company's reputation and market competitiveness in the electronics manufacturing industry, especially in the fields of aerospace, automobiles, communications, etc., which have high requirements for product quality and reliability.

IATF16949:2016 is a quality management system standard for the automotive industry developed by the International Automotive Task Force (IATF). It is based on ISO 9001:2015 and incorporates the special requirements and concerns of the automotive industry. It aims to provide a unified quality management system framework for organizations in the automotive supply chain to ensure that they can continuously and stably provide products and services that meet the requirements of customers and applicable laws and regulations, improve product quality, production efficiency and customer satisfaction, and promote continuous improvement and development of the entire automotive industry. Obtaining IATF16949:2016 certification indicates that the organization has reached an internationally recognized level in the automotive industry quality management system, which will help enhance Konnra's reputation and market competitiveness in the automotive supply chain and gain more business opportunities.

Underwriters Laboratories (UL) wiring harnesses are wire harness products that have been certified by Underwriters Laboratories (UL) and meet the relevant safety standards set by it. As a world-renowned safety science organization, UL ensures that the wire harness has good quality and safety in terms of electrical performance, mechanical performance and environmental adaptability through rigorous testing and evaluation. UL wire harnesses are widely used in automobiles, industrial equipment, electronic equipment and other fields, and can provide stable and reliable power transmission and signal conduction for the electrical systems of related equipment. UL-certified wire harnesses mean that they have reached internationally recognized levels in terms of quality and safety, which helps to enhance product reputation and market competitiveness and promote the promotion and application of products in the market.

Underwriters Laboratories (UL) connectors refer to connector products that have been certified by Underwriters Laboratories (UL) and meet the relevant safety standards set by UL. As an internationally authoritative safety testing and certification organization, UL will conduct comprehensive testing and evaluation of connectors in terms of electrical performance, mechanical performance, fire resistance, environmental resistance and other aspects based on a series of strict standards. These connectors are widely used in various electrical and electronic equipment, such as automobiles, industrial automation equipment, communication equipment, and household appliances. A UL-certified connector means that it has reached an internationally recognized level in terms of safety, reliability and quality, and can ensure stable connection and normal operation of the circuit under various prescribed conditions of use, which helps to improve the overall quality and safety of products using the connector and enhance the competitiveness of the product in the market. It is also conducive to the smooth entry of products into international markets such as North America that have high requirements for UL certification.