Hefei ELC Instrument and equipment Co., Ltd. is located in Hefei High-tech Zone, a national high-tech zone technology industrial development zone in Anhui Province. The company's main non-standard inspection tools, online measuring instrument, Marposs measuring instrument maintenance technology and spare parts service, with table inspection tool, SPC measuring table, various non-standard high-precision measuring instrument program development and complete equipment manufacturing. Adhering to international contact geometry measurement and measurement standards, it is based on serving batch precision manufacturing companies and reducing testing and manufacturing costs for customers. The aim is to make it possible for ordinary companies to buy and use precision non-scalar instruments with high quality, high precision, high stability and high reproducibility. At present, in the rapid development stage, the company is determined to work hard in the field of linear displacement measurement, and is a professional company of comprehensive measurement technology development and technical service.