Starting from Taiwan, Rational Precision Instrument Co., Ltd., was set up in Guangdong, China in 1995, and is now a professional company in precise measuring field. With the R&D force from both Taiwan and mainland China, Rational has been a successful high-tech company by dedicating to innovation and manufacturing for measuring systems. Rational has been highly focused on precise and high resolution measuring equipment and is a leading supplier of varieties of measuring systems or devices such as Digital Measuring Projectors, Video Measuring Systems and Linear Scales in China and Asia. With the state of the art technology, which integrates optics, machinery, electronics and software engineering, Rational has won outstanding reputation in precision measuring field. We have been awarded main titles of good reputation and honored enterprises in Guangdong province, China for many years and are ISO9001-2008 and CE certified.
China's video measuring instrument industry leader
Quality Assurance
To meet the requirements both in capacity and technology trend, Rational was relocated to the new site in Dongguan, Guangdong province in March 2018. With the floor area of 36000 square meters and advanced design for the new facility, Rational is ready and confident to meet the requirements of our valuable clients and provide them necessary supports and services in the coming 2020s.
Factory aerial view ：
Covers an area of 36,000 square meters：
With reliable quality and excellent cost-performance, Profile Projectors and Video Measuring Systems supplied by Rational have been the most sought-after in the market in China for a long time. Moreover, Rational is the number one manufacturer and supplier as the quantity is concerned for the related products in the world. There”s more responsibility than reputation, so Rational will keep moving forward to not only satisfy our clients and meet their requirements but also create values and profits for them and their customers.
R&D, innovation ability
company culture
Quality is lifeline for an enterprise; Enthusiastic service is our tenet; Reasonable pricing is the objective we pursue. Meanwhile we hold the principle that customer is the God. In the aspect of technique, we strive to keep improving so as to provide premium quality products, and endeavor to create maximum benefit for customers.
Business philosophy
Quality is the life of an enterprise. Dedicated service is our aim. Reasonable price is our goal. At the same time, we insist that the customer is the principle of God, strive for excellence in technology, continuously improve the technical level, and strive to provide customers with high-quality products to maximize the benefits for customers.
Quality policy
Integrity-based, quality is the root, service is attentive, innovation is endless, and create a better life.
Company philosophy
Integrity-based, customer-oriented, and customer satisfaction;
Quality first, professional precision, providing excellent products;
Be brave in innovation, efficient, and create profits for customers;
Take the society and give back to the society to create a better life.
Company mission
Strengthen management, continuously improve the quality of technology to satisfy employees, customers, suppliers and investors, so that the company can rationalize its operations and achieve sustainable development.
Professional service team
Look forward to working with you
Excellence, enthusiasm and dedication, dedicated to serve every customer
our business partner
Founded in 1996. Located in Guangdong Province China - National Star of Township Enterprise.Our company is a Hi-tech enterprise that specializes in research, development, manufacture and sales of precision optical measuring instruments integrating optics,machinery, and electronics.
Service only has a starting point, satisfaction has no end
In 1996, Wanhao Precision Instrument (Huiyang) Co., Ltd. was established;
In December 1999, moved to Chang'an Town, Dongguan City, Guangdong Province;
In December 2000, the company established Dongguan Wanhao Precision Instrument Co., Ltd.;
In November 2002, the company's main products passed the EU CE certification;
In June 2003, it was awarded the title of “Guangdong High-tech Enterprise”;
In December 2003, it was recognized as a private technology enterprise in Guangdong Province;
In January 2004, the company passed the ISO9001: 2000 quality system certification;
In August 2004, in order to expand production scale and facilitate management, the company's factory buildings were relocated and the three factories were merged;
In September 2007, he was awarded the title of “Dongguan City Observing Contract and Credit Enterprise” in 2006;
In February 2008, Rational was awarded the famous trademark of Guangdong Province;
In December 2009, the Rational-wanhao digital image measuring instrument won the famous brand products in Guangdong Province;
In March 2010, won the “Employee Satisfaction Enterprise” plaque;
In September 2010, the company passed the ISO9001:2008 quality system certification;
In November 2011, the Expanded Meeting of the Fourth Board of Directors of the Sixth Session of the Digital Display Device Branch of the China Machine Tool Industry Association was held in Wanhua;
In May 2012, the first supplier strategy meeting of Wanhao was held, and the company's development entered a new chapter...
The first stage is the development and production of digital measurement unit;
The second stage is the development and production of two-dimensional and two-dimensional semi-measurement instruments;
The third stage is the development and production of the highest coordinate coordinate measuring machine;
The grating scale developed in 1998 first used a single light source and photodiode;
In 1999, the digital integrated meter-specific integrated block was developed and the reading can reach 13.3MHZ;
In 2001, it developed and produced the first domestic image projector, which formed the advantage of competing with similar foreign products;
Developed the DC3000 multi-function digital display in early 2002, which is widely used in measurement and testing instruments;
In 2003, the USB scale adapter was developed to realize the direct connection between the scale and the computer;
In 2004, the company developed and produced CNC image measuring instruments, which entered the high-end ranks of such products;
In 2005, the company developed and completed the world-class grating/magnetic grid electronic subdivision special integrated block with phase compensation function. In the same year, it developed and produced a three-coordinate measuring machine, which is a collection of precision machinery, air flotation, digitization and photoelectricity. , video, automatic control and software products in one product ; More than 20 technical development projects
In 2006 and 2007, representing the development and production of high-speed, non-contact, nano-measurement, combined with optical microscope and white light interferometer function of scanning white light interference microscope, suitable for a variety of materials and Micro-no-surface features and micro-size detection; development and production of open-type high-precision reflection rulers, widely used in CNC machining centers, machine tools, milling machines, grinding machines and production process measuring machines, autofocus and so on.
In 2007, digital projectors, image measuring instruments, tool presetters, digital display meters and grating sensors all obtained international mark certification.
In April 2008, we developed and produced WTF and WTFA magnetic scale series products with different specifications and precision for use in large-scale machine tools with a length of 10 meters or more.
In August 2008, we independently developed a new generation of manual series image measuring instrument QIM3008 software with five kinds of measuring methods for workpiece detection, powerful construction functions and multiple communication methods.
In February 2009, the company independently developed the new Marshall CMM software that supports the Renishaw side head system and supports the functions of Pantec and Renishaw motion control systems.
In March 2009, the fully automatic three-coordinate high-precision cantilever type measuring device obtained the national utility model patent.
In May 2009, a new series of tool presetters with fast dragging operations were developed.
In November 2009, we independently developed and produced VMS-0705S, a fast image measuring instrument with no grating sensor and one-button intelligent measurement.
In January 2010, the WD047 edge finder was developed to improve the measurement efficiency and reliable detection accuracy of the projector. The repeatability reached 2μm, which reached the level of precision abroad, and obtained the national utility model patent.
In March 2010, developed the first data processor in China that uses two-dimensional measurement of TFT human-color LCD for human-machine interface - DC200 digital display, which is widely used in measuring instruments such as projectors, tool microscopes, and image instruments. .
In June 2010, the company developed the first single-field scanning technology grating-specific sensing chip, which effectively improved the ability of the grating ruler to resist manufacturing defects and environmental pollution.
In April 2011, the company independently developed a large-scale floor-standing projector with a projection screen size of only 600mm and an object field of view of 120mm.
In August 2011, we independently developed a new manual series image measuring instrument QIM1008 software with multiple measuring methods for workpiece detection.
In October 2011, the company developed and produced the largest high-precision series CPJ-3040A/AZ vertical digital projector in China's first workbench.
In February 2012, the company independently developed a new QV100 special measurement software that uses the quadratic coordinate system of the feature elements and the lens distortion compensation function, and has a multi-function intelligent measurement and other functions, and is applied to the shortcut image measuring instrument.
In September 2012, the company developed and produced a horizontal projector CPJ-4025AW with a function of swinging up to ±25°. It expanded and enriched this series of specifications to meet the needs of large-scale CMM customers.
In October 2012, the company developed and produced a new type of manual image measuring instrument VMS-5040M that meets the ideal ergonomics and has manual high-speed measurement.
In November 2012, the company independently developed QIM3D software with two-dimensional coordinate system and three-dimensional coordinate system operation and graph processing functions, automatic zoom lens center compensation, laser flatness and height measurement functions.
June 2013: High resolution height measuring instrument DHT-600MA was released.
September 2014: CNC long stroke metalloscope MTM-6090H was released.
2015: Specially designed for the measuring of IC and LED industry, the new version of Metallurgical Microscope, X13, was released and adopted favorably by world class semiconductor packaging firms.
2016: Launched X14, a new model of Metallurgical Microscope.
2016: Launched CS series, high precision and all in one type CNC VMS.
2016: Awarded High Tech prize of the year of Guangdong province.
2017: Honored ISO 9001 of new version, and the certificate of ISO 9001: 2015 was acquired in July.
2017: CNC VMS paired up with special version QMS3D specifically designed for solar panel measuring successfully released and won substantial orders and admiration from customers due to its outstanding performance.
2017: Launched VMS –D100S, Instant VMS of new version, successfully in September.
2017: Awarded qualification certificate by Engineering center of Guangdong province, PRC in September.
Quality Commitment
1.Product manufacture and inspection are with quality records and inspected data.
2.We guarantee products provided qualified in consistent with national and international industry standards, ensure that all equipment are strictly in accordance with the contract tenders, ensure that all the devices out of the box 100% qualified, acceptance criteria for test for 48hours in a row without a glitch.
Price Commitment
1. Materials from premium brands home and broad make products highly advanced and reliable.
2. Under the same conditions of competition, we offer favorable price without any technical change and quality elimination.
Delivery Commitment
1. Delivery time: customized with customers;
2. Upon delivery of products, we provide the following file:
1) Operation manual;
2) Warranty cards;
3) Instructions;
4) Consumable inventories.
After Service Commitment
We provide following warranty policy:
1. One Year Warranty Policy: within one year after acceptance in addition to damage beyond human control, we take responsibility for the free replacement and maintenance.
2. Five Year Warranty Policy: within one year after five years from the acceptance, in addition to damage beyond human control, we offer free repair, spare parts need to be replaced are charged at cost.
3. Lifetime Maintenance: If equipment is beyond warranty time, we take responsibility for the continued use of its equipment, and charge a reasonable fee for maintenance and spare parts.
Product Maintenance
We make regular maintenance door to door. After maintenance any problem will be promptly recorded in detail to archive management, for the future to maintain provide detailed information.
Technical Support
We provide users with a free, detailed technical support, for the convenience of the user's management, we will provide users with complete equipment management plan, to ensure that users get the value-added services in time. Dispatch personnel are familiar with products, comprehensive technology, with a separate installation, use,maintenance. Technical staff can completely remove your worries, which makes the product work maximum value.
Technical support has the following form:
1. Call technical support telephone, toll free: 400-8300-639 , Provide following information: name, phone number, E-mail address, and projects in need of support.
2. If engineers are able to find a solution, will give users a detailed answer at once and if it cannot be, engineers would be contact you as soon as possible by telephone or E-mail, giving users the most attentive service.
3. Customers can make technical requirements via E-mail.
Technical support email: whmsc@rational-wh.com
Please indicate in the subject line of the E-MAIL "technical support"
After sales service
1. Free Service
Technical Advisory Services
Customer can ask difficult questions and technical problems through company's phone, email, online message boards, and other forms.
2. Paid service
Unconventional operation and maintenance services:
We will provide in addition to routine operation and maintenance services of other paid services.
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