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OEM Double Sided FR-4 PCB HASL ENIG OSP Surface Finishes White Solder Mask ROHS Compliant 140m Copper 0.4-3.0mm

OEM Double Sided Lead Free ENIG Surface Finish FR 4 Base 140 m Copper Thickness 0.2 mm Minimum Hole Size 0.2 mm Black

OEM Double Sided PCB ROHS Compliant HASL FR-4 ENIG OSP Options Blue Solder Mask 140m Copper 0.4-3.0mm Thickness

OEM Double Sided PCB ROHS Compliant HASL FR-4 ENIG OSP Options Blue Solder Mask 140m Copper 0.4-3.0mm Thickness Max

OEM Double Sided PCB ROHS Compliant Lead Free HASL FR 4 ENIG OSP Options Blue Solder Mask 140m Copper 0.4 3.0mm Thick Max

OEM Double Sided PCB ROHS Compliant Lead-Free HASL FR-4 ENIG/OSP Blue Solder Mask 140m Copper Thickness 0.4-3.0mm Max 500x1200mm

OEM Double-Sided High TG FR-4 PCB PCBA Prototype Service with BOM PCBA Assembly 36um Copper

OEM Double-sided OSP PCBA for Consumer Electronics Circuit Board BOM Gerber Files SMT Fabrication Customizable FR-4 PCB Design

OEM Double-Sided PCB Printed Circuit Board for Mini LTE 4G WiFi Router

OEM Electronic Gold Supplier in China Manufacture PCB Pcb Assembly Printed Circuit Board Prototype PCBA Service Rigid-Flex PCB

OEM Electronic PCBA Manufacturing HDI Double Side PCB Factory One Stop Manufacturer PCB Printed Circuit Boards for Gerber BOM

OEM Electronics Double-Sided FR4 PCBA Manufacturer Offering HASL Surface Finishing ROHS ISO Certified PCB Assembly Services 1oz

OEM EMS Service for Double Sided FR 4 Printed Circuit Board Professional Assembly for Power Supply and Audio

OEM Factory Power Bank Module Fast Charging Customizable FR4 Material ISO9001 Certified PCBA Contract Manufacturer Reverse

OEM FR 4 Double Sided Smart Home Control PCB Board PCBA Manufacturer Circuit Board Assembly Service for Home Automation

OEM FR 4 Epoxy Double Sided Custom Printed Circuit Board HASL ENIG OSP Surface Finish Green Solder Mask ROHS Compliant

OEM FR 4 Epoxy Double Sided Custom Printed Circuit Board HASL ENIG OSP Surface Finish Green Solder Mask ROHS Compliant

OEM FR 4 Epoxy Double Sided Switch Custom Printed Circuit Board HASL ENIG OSP Surface Finish Green Solder Mask ROHS

OEM FR 4 Medical Equipment Double Sided Control PCBA Manufacturer PCB Board Assembly Service for Blood Glucometers

OEM FR-4 Double Sided Custom Printed Circuit Board HASL/ENIG/OSP Surface Finish Green Solder Mask ROHS Compliant 140m

OEM FR-4 Epoxy Double Sided Custom Printed Circuit Board HASL ENIG OSP Surface Finish Green Solder Mask ROHS Compliant

OEM FR-4 Epoxy Double Sided Custom Printed Circuit Board HASL ENIG OSP Surface Finish White Solder Mask ROHS Compliant 140m

OEM FR-4 Epoxy Double Sided Custom Printed Circuit Board HASL/ENIG/OSP Surface Finish Green Solder Mask ROHS Compliant

OEM FR-4 Epoxy Double Sided Custom Printed Circuit Board HASL/ENIG/OSP Surface Finish Green Solder Mask ROHS Compliant

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China Loong Circuit Board Co., Ltd. specializes in the development and manufacturing of high-quality printed circuit boards (PCBs), serving a wide range of applications including industrial control, home appliances, new energy, medical devices, consumer electronics, IoT, and security systems. We offer OEM/ODM services to meet customized design and functionality needs. With a skilled R&D team and advanced production facilities, we are committed to delivering reliable, efficient, and innovative PCB solutions to clients worldwide.

    Contact Us

    Have any needs, feel free to contact us, we are happy to help you!

    Office:6F,ShunJing Trade Center,No.855,Industrial Avenue South, Haizhu District, Guangzhou, China(Mainland)

    Factory:Electronic Circuit Board Industrial Park, Changchun Economic Development Zone, Yiyang City, Hunan Province, China(Mainland)

Copyright © 2026 China Loong Circuit Board Co., Ltd. All rights reserved.
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