China OEM/ODM Contract Manufacturer BGA PCB

Grandtop Group was established in 2005, specializing in high quality PCBA OEM & ODM,electronic product turnkey service ,and POS terminal manufacturing. Our headquarter and factory are located in Baoan District Shenzhen City, with 150+ employees and over 6000 m2 shop floor. Globally, we have offices and warehouses in Hongkong, London, Hungary and USA.We have more than 10+ years' experience in PCBA contract manufacturing, professionally providing SMT, DIP, MI, AI, PCB assembling, conformal coating, final product assembling, testing, material procurement ,and one stop services such as wire harness, sheetmetal , plastic injection to make up complete product for customers. Our factory has a number of lines of SMT, assembly and testing, well-equipped with brand-newly imported Juki and Samsung SMT machine, full-automatic solder paste printing machine, ten temperature zone reflow oven and wave-soldering oven. Our factory is also equipped with AOI, XRAY, SPI, ICT, full-automatic splitting machine, BGA rework station and conformal coating machine, with air conditioner and dust-free workshop and lead-free manufacturing process. We have passed ISO9001:2015 international quality management system, IATF16949:2016 automotive industry quality management system and ISO13485:2016 medical device quality management system.Our PCBA and products are widely used in industrial control, medical device, food equipment, laser module, communication device, PLC module, transducer module, traffic control, automobile, smart home system, smart POS. We cooperate with worldwide clients and have long-term cooperated customers in USA, Canada, UK, Germany, Switzerland, Australia etc. which can be your reference.Our PCB Manufacturing CapacityItemsCapabilityOEM PCB Layers1-28 layersOEM PCB materialFR4, FR5, Aluminium,High Tg FR4, Halogen Free, Isola, RogersOEM PCB Finished Board Thickness0.2mm ~ 7.0mm(8mil-276mil)OEM PCB Copper Thickness1/3oz ~ 7ozOEM PCB Max gold plating thickness50 microinchOEM PCB Min. Trace Width/Space0.075/0.075mm(3/3mil)OEM PCB Min. Finish Holes Size0.1mm(4mil) for laser holes; 0.2mm(8mil) for mechanical holesOEM PCB Max.Finshed Size600mm x 900mm (23.6" x 35.43"OEM PCB Hole TolerancePTH:±0.076mm(+/-3mil), NTPH:±0.05mm(+/-2mil)OEM PCB Soldermask ColorGreen, White, Black, Red, Yellow, Blue,ectOEM PCB Silkscreen ColorWhite, Black, Yellow, BlueOEM PCB Impedance Control+/-10%OEM PCB Profiling PunchingRouting, V-CUT, ChamferOEM PCB Special HolesBlind/Buried holes, Countersunk holesOEM PCB Surface FinishingHASL, Lead Free HASL, Immersion tin, Immersion gold, Gold plating, Immersion silver, OSP, Carbon, etc.OEM PCB CertificateUL, ISO9001, ROHS, SGTechnical CapacityItemRigid PCBFlexible PCBRigid-Flex PCBMax Layer60L8L36LInner Layer Min Trace/Space3/3mil3/3mil3/3milOut Layer Max Trace/Space3/3mil3.5/4mil3.5/4milInner Layer Max Copper6oz2oz6ozOut Layer Max Copper6oz2oz3ozMin Mechanical Drilling0.15mm0.1mm0.15mmMin Laser Drilling0.1mm0.1mm0.1mmMax Aspect Ratio(Mechanical Drilling)20:0110:0112:01Max Aspect Ratio(Laser Drilling)1:01/1:01Press FFit Hole Tolerance±0.05mm±0.05mm±0.05mmPTH Tolerance±0.075mm±0.075mm±0.075mmNPTH Tolerance±0.05mm±0.05mm±0.05mmCountersink Tolerance±0.15mm±0.15mm±0.15mmBoard Thickness0.4-8mm0.1-0.5mm0.4-3mmBoard Thickness Tolerance(