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{"title":"FR4 Electronic FPC PCB Board ENIG Surface Treatment For Power Supply Application","imgUrl":"https:\/\/img.chinax.com\/nimg\/82\/24\/4998da41f7c12bc97a4c4dce113c-200x200-1\/fr4_electronic_fpc_pcb_board_enig_surface_treatment_for_power_supply_applications.jpg","attrs":{"Brand Name":"Xingqiang","Model Number":"As Per Customer's Model","Place Of Origin":"China","Certification":"ISO 9001 \/ RoHS \/UL \/ IATF 16949"}}
{"title":"Custom Muliti-layer PCB HASL\/ENIG\/OSP Surface Finish UL Certified DFM Analysis","imgUrl":"https:\/\/img.chinax.com\/nimg\/aa\/c3\/264846c2ee4ae544d2b6fce1dd83-200x200-1\/custom_muliti_layer_pcb_hasl_2fenig_2fosp_surface_finish_ul_certified_dfm_analysis.jpg","attrs":{"Brand Name":"Xingqiang","Model Number":"As Per Customer's Model","Place Of Origin":"China","Certification":"ROSH,ISO,UL,IATF"}}
{"title":"Professional ENIG PCB Custom Panelization Black Solder Mask for High-End","imgUrl":"https:\/\/img.chinax.com\/nimg\/ad\/bf\/dfcd7a313c2f038f9bc833f28e58-200x200-1\/professional_enig_pcb_custom_panelization_black_solder_mask_for_high_end_electronics.jpg","attrs":{"Brand Name":"Xingqiang","Model Number":"As Per Customer's Model","Place Of Origin":"China","Certification":"ROHS,ISO,UL,IATF"}}
{"title":"10-Layer Custom HDI PCB ENIG Immersion Gold High Density Blind Buried Hole","imgUrl":"https:\/\/img.chinax.com\/nimg\/3a\/75\/d9266c18980b1e3bd141a9f25003-200x200-1\/10_layer_custom_hdi_pcb_enig_immersion_gold_high_density_blind_buried_hole_process.jpg","attrs":{"Brand Name":"Xingqiang","Model Number":"As Per Customer's Model","Place Of Origin":"China","Certification":"ROHS,ISO,UL,IATF"}}
{"title":"4-Layer ENIG Custom PCB High TG FR-4 Stable Performance for Outdoor LED","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/2f\/8cd5ab741b836253c8d7e6758a53-200x200-1\/4_layer_enig_custom_pcb_high_tg_fr_4_stable_performance_for_outdoor_led_billboard.jpg","attrs":{"Brand Name":"Xingqiang","Model Number":"As Per Customer's Model","Place Of Origin":"China","Certification":"ROHS,ISO,UL,IATF"}}
{"title":"Custom 4-Layer Dual Camera Module PCB ENIG Surface FR-4 Circuit Board for","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/53\/d9bd3e8ae3218c7fa344f284012c-200x200-1\/custom_4_layer_dual_camera_module_pcb_enig_surface_fr_4_circuit_board_for_security_26_iot.jpg","attrs":{"Brand Name":"Xingqiang","Model Number":"As Per Customer's Model","Place Of Origin":"China","Certification":"ROHS,ISO,UL,IATF"}}
4-layer solder mask custom FR4 custom multilayer board PCB is a printed circuit board composed of three or more layers of circuits. Each layer of circuits is composed of different circuit layers, and these layers are connected together through vias or interconnecting lines. Compared with single-sided and double-sided PCBs, multi-layer PCBs can achieve more circuit wiring in a smaller space and are suitable for more complex and function-intensive circuit designs.
Main Application Equipment:
•Telecommunications (5G modules, routers)
•Industrial control systems
•Medical devices
•Automotive electronics
•LOT and smart hardware
Why Choose our brand? ✔ 30 Years Expertise in Rigid-Flex PCB Manufacturing ✔ ISO 9001, ROHS, and ISO /TS16949 Certified ✔ Support customized services ✔ Professional Engineering Support (DFM, impedance simulation) ✔ Global Shipping (DHL, FedEx, UPS) – Delivered to USA, Germany, UK, Japan, Australia, etc.
Key Manufacturing Challenges of Multilayer PCBs
1.Lamination & Alignment Accuracy As the number of layers increases, cumulative errors become larger. Extremely high alignment precision (e.g., ±75μm) is required to prevent sliding or misalignment. Simultaneously, resin flow, bubbles, and delamination risks must be strictly controlled during the lamination process. 2.Drilling & Plating Difficulty Thicker boards result in deeper holes and high aspect ratios, making drilling prone to broken drills or uneven diameters. Drilling special materials (such as high-Tg or high-frequency laminates) is difficult, often resulting in rough hole walls and challenging desmearing (de-drilling smear) processes. 3.Inner Layer Circuitry High-density designs require extremely fine line widths and spacings. Thin inner core materials are highly susceptible to creasing or wrinkling during etching and handling, which affects circuit yield. 4.Impedance & Signal Integrity For high-speed and high-frequency applications, strict control over dielectric thickness, copper roughness, and CAF (Conductive Anodic Filament) risks is required to maintain stable impedance and prevent interlayer leakage. 5.Inspection & Reliability As circuit density increases, the false positive and false negative rates of traditional optical inspection (AOI) rise. Furthermore, Coefficient of Thermal Expansion (CTE) management is critical to prevent (popcorning/delamination) or cracking under thermal shock.
Factory showcase
PCB Quality Testing
Certificates and Honors
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company
Year Established:
1995
Total Annual:
84,094,800-84,094,800
Employee Number:
500~800
Ecer Certification:
Verified Supplier
Dongguan Xingqiang Circuit Board Co., Ltd. was established in 1995 and is a professional circuit boardfactory that manufactures single-sided and double-sided PCBs, multi-layer PCBs, and Rigid Flex PCBs.
As a professional supplier of customized boards, we work closely with our clients, le... Dongguan Xingqiang Circuit Board Co., Ltd. was established in 1995 and is a professional circuit boardfactory that manufactures single-sided and double-sided PCBs, multi-layer PCBs, and Rigid Flex PCBs.
As a professional supplier of customized boards, we work closely with our clients, le...