CN103909346B - Big width laser marking device - Google Patents
Big width laser marking device Download PDFInfo
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- CN103909346B CN103909346B CN201410127540.6A CN201410127540A CN103909346B CN 103909346 B CN103909346 B CN 103909346B CN 201410127540 A CN201410127540 A CN 201410127540A CN 103909346 B CN103909346 B CN 103909346B
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- speculum
- laser
- reflecting surface
- radio frequency
- light combination
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/361—Removing material for deburring or mechanical trimming
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
A kind of big width laser marking device, comprise radio frequency laser, deviation correcting device, beam expanding lens, light combination mirror, red emitter and the dynamic galvanometer system of three axles, deviation correcting device, beam expanding lens, light combination mirror and the dynamic galvanometer system of three axles are arranged in order along on same straight line, radio frequency laser is located at deviation correcting device rear, red emitter is positioned at the below of light combination mirror, deviation correcting device comprises the first speculum and the second speculum, the laser beam of radio frequency laser injection follows the angle of the normal direction of the reflecting surface of the first speculum to be 45 °, second speculum is arranged at the below of the first speculum, the reflecting surface of this second speculum is parallel relative with the reflecting surface of the first speculum, first speculum is coated with total reflection plated film towards the reflecting surface of radio frequency laser, the reflecting surface of the second speculum is coated with reflective circular polarization plated film.Ensure that the uniformity that mark lines are horizontal and vertical, ensure not disturbing by retroreflection laser and injuring of laser resonant cavity inside, improve the service life of laser instrument.
Description
Technical field
The present invention relates to a kind of laser processing device, be specifically related to a kind of big width laser marking device.
Background technology
Owing to having, mark precision is high, process velocity is fast, with low cost, automatization level is high for laser marking machine, do not produce mechanical presses or mechanical stress damages the plurality of advantages such as machined article, makes the application of laser marking machine more and more extensive.During existing laser marking machine work, first work is placed on the workbench coordinated with laser marking machine, the laser of laser marking machine recycling high-energy-density carries out some parts to workpiece and irradiates, skin-material vaporized or the chemical reaction of color change occurs, thus leaving permanent marker.
Existing laser marking machine because radio frequency laser is originally as linearly polarized light source, and is not with ruddiness, and the collimation of the laser beam of outgoing is not enough, and optical path length is not easy the reasons such as adjustment, there is many deficiencies, specific as follows:
1. cannot realize ruddiness location when mark, carry out mark preview;
2. the collimation deficiency of the laser beam of laser marking causes hot spot not concentrate, and mark effect is undesirable, cannot realize the mark effect requirements of thin hot spot on a large scale;
3. because of radio frequency laser this as linearly polarized light source, at mark high reverse--bias material or when using aluminium matter workbench, be subject to interference and the injury of retroreflection laser, damage laser instrument, reduce laser instrument service life, the mark requirement meeting existing marking machine cannot be continued.
Summary of the invention
Based on this, be necessary for deficiency of the prior art, provide one to prevent retroreflection laser from disturbing and injury big width laser marking device.
The present invention is achieved in the following ways: a kind of big width laser marking device, comprise radio frequency laser, deviation correcting device, beam expanding lens, light combination mirror, red emitter and the dynamic galvanometer system of three axles, described deviation correcting device, beam expanding lens, light combination mirror and the dynamic galvanometer system of three axles are arranged in order along on same straight line, described radio frequency laser is located at deviation correcting device rear, described red emitter is positioned at the below of light combination mirror, described radio frequency laser is provided with a Laser emission mouth, laser in described radio frequency laser is from the outgoing of Laser emission mouth, Brewster window is provided with in described radio frequency laser, described deviation correcting device comprises the first speculum and the second speculum, the laser beam of described radio frequency laser injection follows the angle of the normal direction of the reflecting surface of the first speculum to be 45 °, described second speculum is arranged at the below of the first speculum, the reflecting surface of this second speculum is parallel relative with the reflecting surface of the first speculum, described first speculum is coated with total reflection plated film towards the reflecting surface of radio frequency laser, the reflecting surface of described second speculum is coated with reflective circular polarization plated film, described beam expanding lens is provided with the plane of incidence and exit facet, described light combination mirror is provided with the plane of incidence and reflecting surface, the dynamic galvanometer system of three axles is provided with entrance port, the plane of incidence of described beam expanding lens is relative with the reflecting surface of speculum, the exit facet of described beam expanding lens is relative with the plane of incidence of light combination mirror, the reflecting surface of described light combination mirror is relative with the entrance port of the dynamic galvanometer system of three axles.
Further, also comprise some four axial adjustment frames, described red emitter and light combination mirror are installed on same four axial adjustment frames, and described beam expanding lens correspondence is installed on another four axial adjustment frame, the height of described four axial adjustment frame adjustment light combination mirrors and beam expanding lens.
Further, also comprise three axial adjustment frames, described deviation correcting device is loaded on three axial adjustment frames, the height of described three axial adjustment frame adjustment deviation correcting devices.
In sum, big width laser marking device of the present invention is designed to the speculum of the different plated films that two panels degree angle is installed by deviation correcting device, on the basis of rectifying a deviation facilitating light path, achieve the characteristic linearly polarized light of laser instrument being converted to circularly polarized light, ensure that the uniformity that mark lines are horizontal and vertical, ensure not disturbing and injury by retroreflection laser of laser resonant cavity inside, improve the service life of laser instrument; And by arranging beam expanding lens, laser is processed, make the laser having certain dispersion angle from laser emitting, expand into nearly collimated light beam, to obtain more fine focusing hot spot, and a red emitter is increased between beam expanding lens and the dynamic galvanometer of three axles, achieve the ruddiness preview function of three axle dynamic scan galvanometer systems, ensure quick position and the convenience of mark operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the big width laser marking device of a preferred embodiment of the present invention.
Fig. 2 is the operation principle schematic diagram of the marking device of big width laser shown in Fig. 1.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the present embodiment provides a kind of big width laser marking device, for carrying out big width laser cutting to the workpiece on processing platform 90, this big width laser marking device comprises radio frequency laser 10, deviation correcting device 20, beam expanding lens 30, light combination mirror 40, red emitter 50, the dynamic galvanometer system 60 of three axles, three axial adjustment frames 70 and some four axial adjustment frames 80, described deviation correcting device 20, beam expanding lens 30, light combination mirror 40, and the dynamic galvanometer system 60 of three axles is arranged in order on the same line, described radio frequency laser 10 is located at deviation correcting device 20 rear, described red emitter 50 and light combination mirror 40 are installed on same four axial adjustment frames 80, and described red emitter 50 is positioned at the below of light combination mirror 40, described beam expanding lens 30 correspondence is installed on another four axial adjustment frame 80, described deviation correcting device 20 is loaded on three axial adjustment frames 70.Wherein, described radio frequency laser 10 and the dynamic galvanometer system 60 of three axles are fixed and can not be adjusted, and described four axial adjustment frames 80 are the corresponding height adjusting light combination mirrors 40 and beam expanding lens 30 respectively, and described three axial adjustment frames 70 adjust the height of deviation correcting device 20.
Described radio frequency laser 10 is provided with a Laser emission mouth, and the laser in described radio frequency laser 10, from the outgoing of Laser emission mouth, is provided with Brewster window in described radio frequency laser 10, ensures the line bias of radio frequency laser 10 laser beam out.Described deviation correcting device 20 comprises the first speculum 21 and the second speculum 22, the laser beam that described radio frequency laser 10 penetrates is 45 ° with the angle of the normal direction of the reflecting surface of the first speculum 21, described second speculum 22 is arranged at the below of the first speculum 21, the reflecting surface of this second speculum 22 is parallel relative with the reflecting surface of the first speculum 21, and described second speculum 22 is same with horizontal plane to be arranged in 45° angle degree.Wherein, described first speculum 21 is coated with total reflection plated film towards the end face (reflecting surface) of radio frequency laser 10, described second speculum 22 is coated with reflective circular polarization plated film towards the end face (reflecting surface) of the first speculum 21,
Described beam expanding lens 30 is provided with the plane of incidence and exit facet, described light combination mirror 40 is provided with the plane of incidence and reflecting surface, the dynamic galvanometer system 60 of three axles is provided with entrance port, by regulating four axial adjustment frame 80 and three axial adjustment frames 70, make the entrance port of the dynamic galvanometer system 60 of three axles, the plane of incidence of light combination mirror 40 and reflecting surface, the reflecting surface of the plane of incidence of beam expanding lens 30 and reflecting surface and the second anti-speculum on the same line, the plane of incidence of described beam expanding lens 30 is relative with the reflecting surface of speculum, the exit facet of described beam expanding lens 30 is relative with the plane of incidence of light combination mirror 40, the reflecting surface of described light combination mirror 40 is relative with the entrance port of the dynamic galvanometer system of three axles 60, laser beam in described radio frequency laser 10 is after the reflective surface of the first speculum 21 and the second speculum 22, laser beam is successively through the plane of incidence and the exit facet of beam expanding lens 30, light combination mirror 40 is provided with the plane of incidence and reflecting surface, and be provided with entrance port from the dynamic galvanometer system 60 of three axles and enter, laser beam forms hot spot and is radiated on workpiece after the dynamic galvanometer system 60 of three axles processes.Described red emitter 50 red-emitting is after the reflective surface of light combination mirror 40, and be provided with entrance port from the dynamic galvanometer system 60 of three axles and enter, red light beam is formed and is radiated on workpiece after the dynamic galvanometer system 60 of three axles processes, and realizes ruddiness preview function, ensures the quick position of mark operation.
During big width laser marking device work of the present invention, described red emitter 50 red-emitting is formed and is radiated on workpiece after light combination mirror 40 and the dynamic galvanometer system 60 of three axles process, and carries out cutting location preview.Laser beam in described radio frequency laser 10 is after deviation correcting device 20 reflects, successively through beam expanding lens 30 and light combination mirror 40, wherein, the diameter of described beam expanding lens 30 expanded beam, reduce the angle of divergence of laser beam, processing by arranging beam expanding lens 30 pairs of laser, making to become nearly collimated light beam from the laser beam expanding having certain dispersion angle of laser emitting, make the hot spot that focuses on after three axle dynamic focusing vibration mirror systems less.The light of laser beam and red light beam two kinds of different wave lengths is synthesized in a light path respectively by the method for transmittance and reflectance by described light combination mirror 40, total reflection plated film is coated with by the reflecting surface of the first speculum 21 by deviation correcting device 20, the reflecting surface of the second speculum 22 is coated with reflective circular polarization plated film, after circular polarization reflecting film reflects, become circularly polarized light from radio frequency laser 10 out the linear polarization light perpendicular to optical axis, ensure that mark lines laterally and vertical uniformity.Can incorgruous transmission principle according to light path, be reflected back after high reverse--bias material or aluminium matter workbench are reflected back light path system laser can become and the laser going out the complete vertical polarization of polarization state, Brewster window due to radio frequency laser 10 inside only allows the polarization direction light vertical with optical propagation direction to pass through, the light beam of retroeflection from processing platform 90 is converted to the polarised light parallel with light beam through the circular polarization plated film of the second speculum cannot incident retroeflection frequency laser 10, the interference of the laser beam that protection radio frequency laser 10 is not reflected back by platform and affecting, improve the service life of laser instrument.
In sum, big width laser marking device of the present invention is designed to the speculum of the different plated films that two panels miter angle is installed by deviation correcting device 20, on the basis of rectifying a deviation facilitating light path, achieve the characteristic linearly polarized light of laser instrument being converted to circularly polarized light, ensure that the uniformity that mark lines are horizontal and vertical, ensure not disturbing and injury by retroreflection laser of laser resonant cavity inside simultaneously, improve the service life of laser instrument; And process by arranging beam expanding lens 30 pairs of laser, make the laser having certain dispersion angle from laser emitting, expand into nearly collimated light beam, to obtain more fine focusing hot spot, and a red emitter 50 is increased between beam expanding lens 30 and the dynamic galvanometer 60 of three axles, achieve the ruddiness preview function of three axle dynamic scan galvanometer systems, ensure quick position and the convenience of mark operation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a big width laser marking device, it is characterized in that: comprise radio frequency laser, deviation correcting device, beam expanding lens, light combination mirror, red emitter and the dynamic galvanometer system of three axles, described deviation correcting device, beam expanding lens, light combination mirror and the dynamic galvanometer system of three axles are arranged in order along on same straight line, described radio frequency laser is located at deviation correcting device rear, described red emitter is positioned at the below of light combination mirror, described radio frequency laser is provided with a Laser emission mouth, laser in described radio frequency laser is from the outgoing of Laser emission mouth, Brewster window is provided with in described radio frequency laser, described deviation correcting device comprises the first speculum and the second speculum, the laser beam of described radio frequency laser injection follows the angle of the normal direction of the reflecting surface of the first speculum to be 45 °, described second speculum is arranged at the below of the first speculum, the reflecting surface of this second speculum is parallel relative with the reflecting surface of the first speculum, described first speculum is coated with total reflection plated film towards the reflecting surface of radio frequency laser, the reflecting surface of described second speculum is coated with reflective circular polarization plated film, described beam expanding lens is provided with the plane of incidence and exit facet, described light combination mirror is provided with the plane of incidence and reflecting surface, the dynamic galvanometer system of three axles is provided with entrance port, the plane of incidence of described beam expanding lens is relative with the reflecting surface of speculum, the exit facet of described beam expanding lens is relative with the plane of incidence of light combination mirror, the reflecting surface of described light combination mirror is relative with the entrance port of the dynamic galvanometer system of three axles.
2. big width laser marking device according to claim 1, it is characterized in that: also comprise some four axial adjustment frames, described red emitter and light combination mirror are installed on same four axial adjustment frames, described beam expanding lens correspondence is installed on another four axial adjustment frame, the height of described four axial adjustment frame adjustment light combination mirrors and beam expanding lens.
3. big width laser marking device according to claim 1, is characterized in that: also comprise three axial adjustment frames, described deviation correcting device is loaded on three axial adjustment frames, the height of described three axial adjustment frame adjustment deviation correcting devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410127540.6A CN103909346B (en) | 2013-12-26 | 2014-03-31 | Big width laser marking device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875202.1 | 2013-12-26 | ||
| CN201320875202 | 2013-12-26 | ||
| CN201410127540.6A CN103909346B (en) | 2013-12-26 | 2014-03-31 | Big width laser marking device |
Publications (2)
| Publication Number | Publication Date |
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| CN103909346A CN103909346A (en) | 2014-07-09 |
| CN103909346B true CN103909346B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410127540.6A Active CN103909346B (en) | 2013-12-26 | 2014-03-31 | Big width laser marking device |
| CN201420153066.XU Withdrawn - After Issue CN203830903U (en) | 2013-12-26 | 2014-03-31 | Large-format laser marking machine |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420153066.XU Withdrawn - After Issue CN203830903U (en) | 2013-12-26 | 2014-03-31 | Large-format laser marking machine |
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| CN (2) | CN103909346B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909346B (en) * | 2013-12-26 | 2015-12-16 | 广东大族粤铭激光科技股份有限公司 | Big width laser marking device |
| CN104084694B (en) * | 2014-07-18 | 2016-02-10 | 上海市激光技术研究所 | Straight peen type laser-marking equipment |
| CN106964904B (en) * | 2016-01-14 | 2020-04-28 | 大族激光科技产业集团股份有限公司 | Multi-angle visual positioning laser marking machine and laser marking method thereof |
| CN105976957A (en) * | 2016-08-01 | 2016-09-28 | 合肥佳瑞林电子技术有限公司 | Potentiometer winding wire guiding processing technology |
| CN107824975A (en) * | 2017-09-26 | 2018-03-23 | 丹阳东激光技术有限公司 | A kind of multiple head laser coder based on energy light splitting technology |
| CN107552983B (en) * | 2017-09-30 | 2023-10-03 | 广州新可激光设备有限公司 | 3D welding machine |
| CN107803595A (en) * | 2017-11-27 | 2018-03-16 | 广东铭钰科技股份有限公司 | A kind of small all-in-one laser machine |
| CN107895619B (en) * | 2017-12-28 | 2024-04-30 | 深圳市杰普特光电股份有限公司 | Chip resistor laser resistance regulating system |
| CN108732771A (en) * | 2018-08-20 | 2018-11-02 | 瑞尔通(苏州)医疗科技有限公司 | A kind of stabilising arrangement of PIV lasers |
| CN109693034B (en) * | 2019-02-18 | 2021-07-23 | 大族激光科技产业集团股份有限公司 | Infrared and ultraviolet picosecond laser light emitting method and picosecond laser processing system |
| CN110202256A (en) * | 2019-06-27 | 2019-09-06 | 常州捷佳创智能装备有限公司 | Three axis scanning galvanometer laser aids, cell processing device and its control method |
| CN112247363A (en) * | 2020-10-13 | 2021-01-22 | 深圳市嗨兴科技有限公司 | Control method and device for multi-beam-combination engraving |
| CN114105466A (en) * | 2021-12-22 | 2022-03-01 | 华中科技大学 | Large-width laser hole cutting method for glass |
| CN116713590B (en) * | 2023-08-02 | 2024-02-02 | 大匠激光科技(苏州)有限公司 | Focusing control device and method for laser three-dimensional galvanometer |
| CN117182358B (en) * | 2023-11-02 | 2024-01-26 | 无锡超通智能制造技术研究院有限公司 | Fine metal mask laser processing device and processing method thereof |
| CN117381212B (en) * | 2023-11-23 | 2024-05-10 | 江阴创可激光技术有限公司 | Laser processing device for emitting light of double lasers |
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| CN1106721A (en) * | 1993-09-27 | 1995-08-16 | 三菱电机株式会社 | Laser cutting machine |
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| CN202753593U (en) * | 2012-06-08 | 2013-02-27 | 东莞市博世机电设备有限公司 | Dynamic focusing laser marking machine |
| CN203830903U (en) * | 2013-12-26 | 2014-09-17 | 广东大族粤铭激光科技股份有限公司 | Large-format laser marking machine |
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| JP2003088966A (en) * | 2001-09-14 | 2003-03-25 | Hoya Photonics Corp | Laser marking device |
| JP5153205B2 (en) * | 2007-05-08 | 2013-02-27 | ミヤチテクノス株式会社 | Laser marking device |
| JP2009125762A (en) * | 2007-11-21 | 2009-06-11 | Y E Data Inc | Laser marking device |
| JP2011092955A (en) * | 2009-10-27 | 2011-05-12 | Fujifilm Corp | Laser beam machining apparatus and laser beam machining method |
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2014
- 2014-03-31 CN CN201410127540.6A patent/CN103909346B/en active Active
- 2014-03-31 CN CN201420153066.XU patent/CN203830903U/en not_active Withdrawn - After Issue
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| CN1106721A (en) * | 1993-09-27 | 1995-08-16 | 三菱电机株式会社 | Laser cutting machine |
| CN201693290U (en) * | 2010-04-22 | 2011-01-05 | 广州中国科学院工业技术研究院 | Laser processing device |
| CN202753593U (en) * | 2012-06-08 | 2013-02-27 | 东莞市博世机电设备有限公司 | Dynamic focusing laser marking machine |
| CN203830903U (en) * | 2013-12-26 | 2014-09-17 | 广东大族粤铭激光科技股份有限公司 | Large-format laser marking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203830903U (en) | 2014-09-17 |
| CN103909346A (en) | 2014-07-09 |
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Address after: 523000 Guangdong, Dongguan Songshan Lake high tech Industrial Development Zone Industrial Road, No. 28 Patentee after: GD HANS YUEMING LASER GROUP Co.,Ltd. Address before: 523000 Guangdong, Dongguan Songshan Lake high tech Industrial Development Zone Industrial Road, No. 28 Patentee before: GD HAN'S YUEMING LASER GROUP CO.,LTD. |
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Effective date of registration: 20160330 Address after: 523000 No. 5, industrial accelerator, No. 24, industrial East Road, Songshan Lake hi tech Industrial Development Zone, Guangdong, Dongguan Province, No. 103, room 104 Patentee after: GUANGDONG DAZU YUEMING Corp. Address before: 523000 Guangdong, Dongguan Songshan Lake high tech Industrial Development Zone Industrial Road, No. 28 Patentee before: GD HANS YUEMING LASER GROUP Co.,Ltd. |
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Address after: 3 / F, production building, 28 Gongye East Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Guangdong Yueming Intelligent Equipment Co.,Ltd. Address before: Room 103 and 104, No.5 workshop, modern enterprise accelerator, No.24, Gongye East Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Patentee before: GUANGDONG DAZU YUEMING Corp. |