Welcome to O-leading O-Leading strives to be your one stop solution partner in EMS supply chain, including PCB design , PCB fabrication and PCB assembly (PCBA).We provide some of the most advanced PCB technology, including HDI PCBs,multilayer PCBs, Rigid-Flexible PCBs.We can support from quick turn prototype to medium & mass Production. In general, our global customers are very impressed with our services:Rapid response, competitive price and quality commitment.Providing more valuable technical service and overall solution is the way Oleading forward. Looking to the future, O-leading will concentrate on the innovation and development of electronics manufacturing technology as always, and make persistent efforts on PCB & PCBA one-stop service to provide first-class services and create more value for our customers. PLEASE CLICK THESE FOR MORE INFORMATION： oem pcb board manufacturer china Product Description COPPER PLATE HOLES MINIMUM .025 AVG, .020 MIN.. HOLES MAY NOT BE PLUGGED Special requirement:ENIG, Impedance: Tol: +/-7%, Press fit hole Pack with colorless transparent bubble film ,25 PCS/ bag, put desiccant in flank, put humidity indicator card on top side Layer stru

O-LEADING To Be Reliablo. To Be Valuable

High-speed flying probe E-test Machine

CertificationsQUALITY MANAGEMENT SYSTEM CERTIFICATE We hereby certify that QkM No alaai^ldcoJi'iH Art fl>TRV im »7* TAJ SANG BANK BUBIfelG 1J0-1X2 DCS VOf US BCAO CSNTRAl HK Bw»a»m AM 1311 T'OO' 13. roV« OXV'fJ twi Hyya'-J CNfict KAtficw OubVJong C*na Mm »rnpt*mo«*ad and maintom a Quality Managamant Syatam Which Mia tha raquramanU of tha kxkwng atandanJa GarT1B001-20tB *X IS09001 2015 Scopo of certification Sale* of pnrXad orcurt board* tnaal luoance panod ratyjary 77. 201* Tha carVcafa a r j*d ft/wj Apr* 32. 7019 FatKuary 20. 7021 Tha oanflcata a rvM a INoU CCC Qua*#* hbal m fa kacwwnq panod

SGS Test Report No.SZXEC1900530401 Date: 30 Mar 2019 Page lot 6 O-LEADING SUPPLY CHAIN (HK) CO,LIMITED 1313.FLOOR 13. FORTUNE BUILDING, DANSHUI TOWN. HUIYANG DISTRICT. HUIZHOU. GUANGDONG. CHINA The following sample(s) was/were submitted and identified on behalf of the clients as Date of Sample Received : Testing Period : Test Requested : Test Method : 22 Mar 2319 - 30 Mar 2019 Selected test(s) as requested by client Please refer to next page(s). Test Report Test Results: Test Part Description Specimen No. SGS Sample ID Description (2) MDL = Method Detection Limit Test Results : Please refer to...

WIRING, PRINTED - COMPONENT | UL Product iQ See General Information for Wiring, Printed Component O-LEADING SUPPLY CHAIN (HK) CO LTD E490354 ROOM 1205, 12/F TAI SANG BANK BLDG CENTRAL, HONG KONG Solder Oper Meets C Limits Temp Flame UL796 T C sec C Class DSR I mm(in) mic(mil) DSO mm(in) * - CTI marking is optional and may be marked on the printed wiring board. Marking: Company name or file number and type designation. May be followed by a suffix to denote factory identification or burning test classification. uLLAiiE, #iit£uL atMPSLtrostu

Packaging & Delivery

Process Capability PCB Production Capabilities Layer Count: 1Layer-32Layer Finished copper thickness： 1/3oz-12oz Min Line width/spacing internal： 3.0mil/3.0mil Min Line width/spacing external: 4.0mil/4.0mil Max Aspect Ratio: 10:1 Board thickness： 0.2mm-5.0mm Max Panel size(inches): 635*1500mm Minimum Drilled Hole Size: 4mil PIated Hole Tolerance: +/-3mil BIind/Buried Vias (AII Types): YES Via Fill(Conductive,Non-Conductive): YES Base Material: FR-4,FR-4high Tg.Halogen free material,Rogers,Aluminium base,Polyimide, Heavy Copper Surface finishes: HASL,OSP,ENIG,HAL-LF,lmmersion silver,lmmersion Tin,Gold...

PCB Material: FR-4,CEM-1,CEM-3,Aluminum-based board Max PCB size: 510x460mm Min PCB size：50x50mm PCB Thickness：0.5mm-4.5mm Board thickness：0.5-4mm Min Components size: 0201 Standard chip size component: 0603 and larger Component max height：15mm Min lead pitch: 0.3mm Min BGA ball pitch:0.4mm Placement precision: +/-0