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China Dongguan Changlong Electronics Industry Co.
About Us
Dongguan Changlong Electronics Industry Co.
Company ProfileFounded in 1999, Dongguan Changlong Electronic Industry Co., Ltd. is one of the few professional processing plants in the industry with more than 20 years of SMT production and manufacturing experience. With the continuous development of the company and the continuous accumulation of corporate culture and production experience, the production equipment has been upgraded from semi-automatic to fully automated. It has six Japanese Fuji NXT multi-module dual-track fully automatic ...
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Dongguan Changlong Electronics Industry Co.

quality PCB Assembly Service & POP PCB Assembly factory

Lastest company news about PCB board manufacture and PCBA service
PCB board manufacture and PCBA service


Product Description   Number of layers 1, 2,4 or 6, up to 12 layers Order Quantity 1 to 500,000 Board shape Rectangular, round,slots, cutouts ,complax, irregular Board Type Rigid , flexible, rigid-flexble Board material FR-4 glass epoxy , RF4 High Tg, RoHS compliant , Aluminum,Rogers , etc Board cutting Shear, V-score,tab-routed Board thickness 0.2~4.0mm , Flex 0.01~0.25 Copper weight 1.0, 1.5, 2.0OZ Solder mask Double -sided green LPI ,Also support red , white, yellow, blue , black Silk screen Double -sided green LPI ,Also support red , white, yellow, blue , black Silk screen min line width 0.006'' or 0.15mm Max board dimensions 20 inch*20 inch or 500mm *500mm Min trace /gap 0.10mm, or 4 mils Min drill hole diameter 0.01 '' , 0.25mm, or 10 mils Surface finish HASL ,Nickle, Imm gold , Imm Tin , Imm silver ,OSP etc. Board thickness tolerance + --10% Copper weight tolerance + --0.25 oz Minimal slot width 0.12'', 3.0mm, or 120 mils V- score depth 20--25% of board thickness Plated through holes YES Sink holes YES Design file format Gerber RS -274X, 274D, Eagle , and AutoCAD's DXF , DWG   1. PCB board manufacture and PCBA service: * PCB board made, circuit board parts purchased by us * Electronic testing circuit board or PCBA * Fast delivery, anti-static package * RoHS Directive-compliant, lead-free * One stop service from PCB design, PCB layout, PCB manufacture, components purchasing, PCB assembly, test, packing and PCB delivery * Electronic manufacturing service 2. Detailed terms for PCB assembly: * Technical requirement: 1. Professional surface-mounting and through-hole soldering technology 2. Various sizes like 1206, 0805, 0603 components SMT technology 3. ICT (in circuit test), FCT (functional circuit test) technology 4. PCB assembly with UL, CE, FCC, RoHS approval 5. Nitrogen gas reflow soldering technology for SMT 6. High standard SMT and solder assembly line 7. High density interconnected board placement technology capacity Inquiry: 1.PCB:Pleasep provide gerber file for detail Quote. 2.PCBA:Please provide gerder file and Bom list. 3.COPY PCB/PCBA:Please provide us the details of PCB.Picture and Sample will be better.   Success comes from cooperation ,changlong warmly welcome new and old customers hand in hand to cooperate and visit our factory , build the ambitious , and develop the brilliant tomorrow , your satisfaction is our pursuit!     What can we do ?   Main Product applacation : Household appliance ; Medical products ; Network device ; Gate way control ; communication products ;Automotive products ; Industrial products ; Consumer electronics and so on .     Related Products     Our Advantages   ODM/OEM Services Changlong OEM project advantages: 1. Strong engineering group 2. Efficient and simple One-stop Turnkey Service 3. Full supply chain to guarantee EB,PP&MP time 4. Design and material cost down MOKO ODM project advantages: 1. Professional R&D team to support customers’ requirements 2. Design software platforms 3. Experienced project management 4. No MOQ and quick delivery.   Now we have been a factory which can provide one-stop service, from the PCB production, the components purchasing to the components assemble.      
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Latest company case about PCB board products and PCB assembly services:
PCB board products and PCB assembly services:


  Company Information       Our Services PCB board products and PCB assembly services: Multi-layer Board Application:Telecom,Computer Peripheral,Aero Industry. Heavy Copper Board Application:Consumer,Telecom,Industrial Peripheral,Aero Industry Copper Through Hole Application:Consumer Silver Through Hole Application:Telecom,Computer peripheral Single Side Board Application:Consumer,Telecom,Industrial,Aero Industry Double Side Board Application:Consumer,Telecom,Industral,Aero Industry Metal PCB Appli:Power Supply,ABS,Engine Control Module,Lighting Fixture,Backlight Module Silver Jumper Application:Consumer,Telecom,Industrial Peripheral,Aero Industry Carbon Jumper Application:Comsumer Peripheral,Telecom,Industrial,Aero Industry     Product Description Technical Specification For PCB Number of Layer 1,2,4 or 6,upto 18 layer Order Quantity 1 to 50,000 Board Shape Retangular,round,slots,cutouts,complex,irregular Board Type Rigid, Flexible, Rigid-flexible Board Material FR-4 glass epoxy, FR-4 high Tg, Rohs compliant,Aluminum,Rogers,etc. Board Cutting Shear,V-score,Tab-routed Board Thickness 0.2-4.0mm, Flex 0.01-0.25mm Copper Weight 1.0, 1.5, 2.0 oz Solder Mask Double-sided green LPI,Also support Red,White,Yellow,Blue,Black Silk Screen Double-sided or single-sided in white,yellow,black,or negative Silk Screen Min Line Width 0.006'' or 0.15mm Max Board Dimensions 20 inch*20inch or 500mm*500mm Min Trace/Gap 0.10mm, or 4mils Min Drill Hole Diameter 0.01'',0.25mm, or 10mils Surface Finish HASL,Nickle,Immersion Gold,Immersion Tin,Immersion Silver,OSP,etc. Board Thickness Tolerance ±10% Copper Weight Tolerance ± 0.25 oz Minimal Slot Width 0.12'', 3.0mm, or 120mils V-Score Depth 20-25% of board thickness Design File Formate Gerber RS-274,274D,Eagle and AutoCAD's DXF,DWG     PCB Assembly Capabilities Quantity Prototype&Low Volume PCB Assembly,from 1 Board to 250,is specialty,or up to 1000 Type of Assembly SMT,Thru-hole Solder Type Water Soluble Solder Paste,Leaded and Lead-Free Components Passive Down to 0201 size BGA and VFBGA Leadless Chip Carriers/CSP Double-sided SMT Assembly Fine Pitch to 0.8mils BGA Repair and Reball Part Removal and Replacement Bare Board Size Smallest:0.25*0.25 inches Largest:20*20 inches File Formate Bill of Materials Gerber files Pick-N-Place file Types of Service Turn-key,partial turn-key or consignment Component packaging Cut Tape,Tube,Reels,Loose Parts Turn Time Same day service to 15 days service Testing Flying Probe Test,X-ray Inspection AOI Test PCB assembly process Drilling-----Exposure-----Plating-----Etaching & Stripping-----Punching-----Electrical Testing-----SMT-----Wave Soldering-----Assembling-----ICT-----Function Testing-----Temperature & Humidity Testing     Detailed Terms for Pcb Assembly   Technical requirement for pcb&pcb assembly: ----Professional Surface-mounting and Through-hole soldering Technology ----Various sizes like 1206,0805,0603 components SMT technology ----ICT(In Circuit Test),FCT(Functional Circuit Test) technology. ----PCB Assembly With CE,FCC,Rohs Approval ----Nitrogen gas reflow soldering technology for SMT. ----High Standard SMT&Solder Assembly Line ---- High density interconnected board placement technology capacity.       Factory     FAQ   Q: What files do you use in PCBA fabrication? A: Gerber or Eagle, BOM listing, PNP and Components Position   Q:Is it possible you could offer sample? A: Yes, we can custom you sample to test before mass production   Q: When will I get the quotation after sent Gerber, BOM and test procedure? A: Within 6 hours for PCB quotation and around 24 hours for PCBA quotation.   Q: How can I know the process of my PCBA production? A: 7-10 days for PCB production and components purchasing, and 10 days for PCB assembly and Testing   Q: How can I make sure the quality of my PCBAs? A: We ensure that each piece of PCBA products work well before shipping. We'll test all of them according to your test procedure. Also if there are any defect items during the shipping, we also can be free to repair for you.
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Dongguan Changlong Electronics Industry Co.
Cooperative Partners
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Katharina from Russia
As per our quality department boards are in good quality and we are satisfied with your work and service! Thanks for your great support.
Dave Londry from USA
Thanks for help my small business grows up step by step,for prototypes to small, medium & large orders, you will be my first choice for PCB anytime.
Walter Vidate Orrego from Germ
Thanks for the stable quality and quickly response service, you are our reliable partner in China for terminal blocks
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