Welcome to OPTM Inspection Service, the leading provider of quality testing and inspection services in China. We are excited to introduce our latest product, the Backset Test, designed to ensure the accuracy and reliability of backset measurements for various applications. With our advanced technology and expert team of professionals, we are able to offer a comprehensive backset testing solution that meets the highest industry standards. Our commitment to quality and precision has made us the trusted choice for companies across a wide range of industries. At OPTM Inspection Service, we understand the importance of reliable testing and inspection services, and we are dedicated to providing the most accurate and efficient solutions to our clients. With our competitive pricelist and outstanding customer service, we are confident that you will find our company to be the perfect partner for all your testing and inspection needs. Contact us today to learn more about our Backset Test and discover the difference that OPTM Inspection Service can make for your business.