Custom PCBA PCB Board Layout Design Services Electronic Circuits

Welcome to Grandtop! Custom PCBA PCB Board Layout Design Services Electrical CircuitsOur factory is certified with : ISO 9001,   ISO 13485 ,  IATF16949Grandtop PCBA is a professional Electronics circuit design service provider specialized in one-stop service for pcb design,pcb manufacturing, PCB assembly, components sourcing, contract manufacture,function testing, as well as electronic products final assembly.OUR PCB We offer  High-density multilayer PCBs , Immersion gold PCBs ,Multilayer PCBs,Double sided PCBs,  Rigid-Flex Board and so on                                   Our Custom PCB Manufacturing PCB Prototype fabricate are widely used in      Medical PCB      Industrial pcb     New Energy pcb     Auto pcb     Electronics Smart home application pcb   POS & financial PCB Our PCB manufacturing Capability ItemsCapabilityPCB Layers1-28 layersPCB materialFR4, FR5, Aluminium,High Tg FR4, Halogen Free, Isola, RogersPCB Finished Board Thickness0.2mm ~ 7.0mm(8mil-276mil)PCB Copper Thickness1/3oz ~ 7ozPCB Max gold plating thickness50 microinchPCB Min. Trace Width/Space0.075/0.075mm(3/3mil)PCB Min. Finish Holes Size0.1mm(4mil) for laser holes; 0.2mm(8mil) for mechanical holesPCB Max.Finshed Size600mm x 900mm (23.6" x 35.43"PCB Hole TolerancePTH:±0.076mm(+/-3mil), NTPH:±0.05mm(+/-2mil)PCB Soldermask ColorGreen, White, Black, Red, Yellow, Blue,ectPCB Silkscreen ColorWhite, Black, Yellow, BluePCB Impedance Control+/-10%PCB Profiling PunchingRouting, V-CUT, ChamferPCB Special HolesBlind/Buried holes, Countersunk holesPCB Surface FinishingHASL, Lead Free HASL, Immersion tin, Immersion gold, Gold plating, Immersion silver, OSP, Carbon, etc.PCB CertificateUL, ISO9001, ROHS, SG1) We do PCB from double side up to 28-layer Multilayer PCB, HDI jobs.  2) If you have repeat orders from other suppliers, and you want to transfer to Intech, we can accept FREE OF TOOLING.  3) Except excellent quality and professional service, we also pay every detail for our customers, for example package to use Desiccant packs & moisture indicator in vacuum-sealed pack to protect PCB.  4) Material: We have FR4 TG135/TG158/TG180 normal material in stock, also have FR1/ FR2/ FR3/ CEM1/ CEM3/ ROGERS/ ARLON/ ISOLA.  5) Rigid / flex/ flex-rigid PCBs with UL approved.  6) Flexible,quickly feedback for customers always.  7) Quickly offer will be less then 4 hours, Some top urgent inquiry we can offer within 1hour. PCB producing process OUR PCBA   We offer  High-density multilayer PCBA, Immersion gold PCBA,Multilayer PCBA,Double sided PCBA,  Rigid-Flex Board assembly and so on             Our Custom PCBA and pcb assembly      Medical PCB-a     Industrial pcba     New Energy pcba     Auto pcba     Electronics Smart home application pcba     POS & financial PCBA PCB assembling capability ItemsCapacitysmt PCBA Min. IC Pitch0.30mm(12mil)smt PCBA Foot Pin   SO, SOP, SOJ, TSOP, TSSOP, QFP, BGA and U-BGAsmt PCBA Min. Chip Placement0201smt PCBA Max. PCB Size410mm x 600mm(16.2" x 23.6")smt PCBA Maximum BGA Size74mm x 74mm(2.9" x 2.9")smt PCBA BGA Ball Pitch1mm ~ 3mm(4mil ~ 12mil)smt PCBA BGA Ball Diameter0.4mm ~ 1mm(16mil ~ 40mil)smt PCBA QFP Lead Pitch0.38mm ~ 2.54mm(15mil ~ 100mil)smt PCBA MethodSMT, DIP, AI,MI assemblysmt PCBA CertificationISO9001, ISO13485, IATF16949     PCBA PRODUCING PROCESSOUR FINAL DEVICE ASSEMBLY               We offer PCB & PCBA, Electronics box building, electronic contract manufacturing service, electronic products OEM & ODM Service     Why Choose Grandtop?1. One-stop EMS /Turnkey EMS (electronics manfacturing service) including pcb manufacturing, compoments sourcing, pcb assembly, pcba conformal coating, box build, PCBA function testing. 2. Hight Quality. Grandtop is ISO9001, ISO13485, ISO16949 certified company, we are long-term cooperated to global top rank electronics original manufacturer or agent. 3. Fast turnaround. Over years experiance with global customer make us flexiable and better service to customers 4.IP Protection 5. No MOQ for Printed circuit board and SMT DIP pcb assembling. 6.Professional PCB Board engineer for one-to-one service. 7.100% PCBA AOI tested guarantee before shipping 8. Factory production Capability of 3 0000 sqm/month  9. Excellent Customer Service to Meet Your Special Needs.  10. Shipment on time.   Our Testing Procedures For PCB PCBA assembling: We perform multiple quality assuring procedures before shipping out any PCB board. These include: * Visual Inspection * Flying probe, fixture tool * SPI testing for solder paste * First pieace checking for each batch * AOI (Automated Optical Inspection) * X-ray * ICT Testing * UV light testing for conformal coating * Function Testing Our Certification  Company Information  Grandtop Group is spe 17 years' experience in Electronics PCB Assembly contract manufacturing, professionally providing SMT, DIP, MI, AI, Eelectronic PCB assembling, conformal coating, final product assembling, testing, material procurement ,and one stop services such as wire harness, sheet