Laizhou Zhijin Testing Instrument Co., Ltd. (hereinafter referred to as "Zhijin") mainly produces measurement products such as Rockwell hardness tester, Vickers hardness tester, microhardness tester, etc., covering a full range of Rockwell, Brinell, Vickers, MicroVickers, Richter, Shore, Shore and other series models, including basic models and electronic models, committed to providing customers with cost-effective hardness measurement solutions. Zhijin receives orders from heavy industry enterprises such as aerospace, subway and high-speed rail, shipbuilding, and military engineering groups all year round, and customizes online testing products for their specific products, mainly door hardness testers. It has formed flexible and rapid customization capabilities, providing customers with fast and accurate non-standard solutions! Zhijin's "Large Online Portal Hardness Tester" is popular among aerospace, shipping, automotive, subway and high-speed rail enterprises nationwide. With its highly informationized and automated testing technology, it flexibly integrates into the customization capabilities of existing production lines, serving large domestic military heavy industry enterprises! As a company that operates measuring equipment, Zhijin is well aware that the quality of our products has a significant impact on customers. Zhijin always adheres to the principle of "integrity-based, service-oriented", providing sincere service to customers within a 100% reliable range, striving to popularize basic hardness measurement knowledge for industrial enterprises across the country, and contribute our modest efforts to the progress of China's industrial technology!