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- China Profile Projector, VMS, CMM and Measuring Microscope

Guangdong Rational Precision Instrument Co., Ltd is a high-tech enterprise which integrates optics, mechanism, electricity and software program. We are researching and producing the high quality products with reasonable price for our customers. We have passed ISO9001: 2000 Certification and our major products have passed CE certification. Our products have been sold not only domestic but also exported to many countries such as Korea, Holand, Thailand, France, America, Malaysia, Iran, Brazil,Taiwan and so on. Excellent quality cost ratio makes our company being recognized by our customers.
1996	Established Wan Hao Precision Instruments (HUI YANG) Co., Ltd
Dec1999	Moved to Chang An town, Dong Guan city
Dec2000	Wan Hao recombined asset and established Rational Precision Instruments
Dec2002	Main products passed CE Certification
Jun2003	Was awarded High-tech enterprise of Guang Dong Province.
Jan2004	Passed ISO9001: 2000 Certification
Jul2004	Incorporated 3 workshops
The products have undertook 3 phase as follows 1. Concentrate on researching and producing phases digital measuring instruments 2. Concentrate on researching and producing 2D and 2.5D measuring instruments. 3. Concentrate on researching and producing 3D measuring machine which indicates the highest level in this field
1998	We developed the linear scale which firstly adopts single lamp-house and photodiode in CHINA
1999	We developed the special IC for DRO. The readings can reach 13.3MHZ
2001	We developed the first erect projector in CHINA, which can be compared to the foreign similar products.
2002	We developed DC-3000 multi-functional data processor which was widely used in checking and measuring machines.
2003	We developed USB linear scale exchanger which can connect the linear scale & PC
2004	We developed CNC VMS and stepped into the high range of this field.
2005	We developed grating IC with phase compensation function. In the mean time we developed the 3D measuring machine.

		Vertical Profile Projector Optical measurement is a non-contact technique that graphically displays and measures parts with dimensions and shapes that would be hard to measure with regular tools. VERTICAL models provide comparable accuracy and are ideal for parts that are placed on the glass insert of the workstage. Vertical systems work well when the parts to be measured are flexible or soft such as plastic, thin stampings or electrical components.
		Horizontal Profile Projector Optical measurement is a non-contact technique that graphically displays and measures parts with dimensions and shapes that would be hard to measure with regular tools. Generally, HORIZONTAL models work well with parts that need to be fixtured, held in a vise or on centres.
		Measuring Microscope Measuring microscope is a photoelectric measuring system of high precision and efficiency. It is widely used in different kinds of precision finishing industries, such as electronic part , precision mould, precision.tool, spring, plastic, rubber, oil seal value, camera part, pedal cycle part and PCB processing.
		Video Measuring System Video measuring system is a photoelectric measuring system of high precision and efficiency. It is composed of a series of components such as CCD colour camera of high resolution, continuous zoom lens, colour monitor, video crosshairs generator, precision linearscale, multi-functional digital readout (DRO), 2D measuring software and high precision worktable. It is supplied with RS-232 interface, The user can manage and output the graph by connecting with PC and running the M2D program.
		3D-Coordinate Measuring Machine Designed to provide a measuring solution to meet the most exacting industrial quality requirements for small to large component inspection.
		SUPRA Optix Interferometer The SUPRA Optix is the latest development in the field of scanning White-Light Interferometry. With the features of compact flexible design high speed, user-friendly, 3D Measurement and up to 400um vertical scanning range with nanometer resolution, The SUPRA Optix supports new application in quantitative surface analysis.