Laizhou Hengguan Testing Instrument Co., Ltd. is a professional manufacturer of metallographic laboratory equipment. The company mainly produces hardness testers such as Brinell hardness tester, Rockwell hardness tester and Vickers hardness tester, Besides all kinds of Hardness Testers, we also manufacture and supply Metallographic Specimen Preparation Machines. such ad grinding and polishing machine, cutting machine, inlay machine and other experimental equipment, the company provides OEM services, the products are sold to Europe, America, Southeast Asia, Africa, a total of 60 countries.
