GUANGLU.GUANGLU is a high-end digital measuring instrument manufacturer integrating R&D, production, and sales. GUANGLU products cover a full range of high-precision industrial dimensional measurement products and measurement solutions, specifically: electronic digital and precision mechanical caliper series; electronic digital and precision mechanical micrometer series; electronic digital and precision mechanical dial indicator series; other intelligent and digital precision instrument series; one-stop comprehensive measurement solutions; and solutions for smart equipment and digital factory construction. GUANGLU holds certifications for Quality Management Systems, Environmental Management Systems, Measurement Management Systems, Occupational Health and Safety Management Systems, and Weapons Equipment Quality Management Systems, along with CE safety certification and standardized safety production accreditation. Key products include: Digital Bluetooth Calipers, Absolute Origin Digital Dial Indicators, IP65 Micrometers, and IP67 Waterproof Calipers.