Does the PCB include solder mask or silkscreen?

No, this specific model has no top or bottom solder mask and no top or bottom silkscreen.

What is the surface finish of the PCB?

The surface finish is Immersion Gold (ENIG).

Premium 4-Layer Automotive PCB with Durable Immersion Gold Finish

Name: Premium 4-Layer Automotive PCB with Durable Immersion Gold Finish
Brand: Shenzhen Bicheng Electronic Technology Co., Ltd
SKU: 1978076031

Guangdong, ChinaShenzhen Bicheng Electronic Technology Co., Ltd

US$99.99

1-99 PCS

US$0.90

100+ PCS

Sample price:US$0.90/pcs.Request sample

Product profile

Customization

Available

Type

Rigid Circuit Board

Dielectric

Rogers RO3210

Model NO.

BIC-1421-V2.1

Material

Ceramic-Filled, Woven Fiberglass-Reinforced

Application

Communication

Flame Retardant Properties

Mechanical Rigid

Rigid

Processing Technology

Electrolytic Foil

Base Material

Copper

Insulation Materials

Epoxy Resin

Brand

Rogers

Surface Finish

Immersion Gold

Layer Count

4 Layers

Solder Mask

Silkscreen

Transport Package

Kk Paper, 3-Layer Wrinkle

Specification

60mm x 55 mm=1PCS (± 0.15mm)

Trademark

Bicheng

Origin

Shenzhen China

HS Code

8534009000

Production Capacity

360000 Square Meters/Year

Key features

Rogers RO3210 Material: Ceramic-filled, woven fiberglass-reinforced laminate for high-frequency stability.

100% Electrical Testing: Every unit undergoes rigorous testing to eliminate defective products before shipment.

IPC-Class-2 Compliance: Meets IPC-Class-2 quality standards for consistent reliability in specialized applications.

Low Dielectric Loss: Dissipation factor of 0.0027 at 10GHz ensures minimal signal loss in high-frequency circuits.

Global Availability: Worldwide supply chain ensures timely delivery for international cross-border projects.

Custom Manufacturing: Fully customizable based on specific design requirements and sample inputs.

Company profile

High Repeat Buyers ChoiceFast DeliveryIn-stock CapacityR&D Capabilities

Shenzhen Bicheng Electronic Technology Co., Ltd

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5.5 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤10.27h

AI-Powered supplier vetting

SummaryShenzhen Bicheng Electronic Technology Co., Ltd. is a China-based trading company established in 2020, focused on PCB sales and technical development. It offers a broad PCB portfolio and extensive customization services, including sample-, design-, full-, minor-, and flexible customization, plus ODM and OEM services. The supplier reports new products within the past year and serves known brands, but no SDK is available. Export activity is significant, with 90% of sales from exports and 5.5 years of export experience. Production information states 360,000 square meters of PCB output, supported by 50 quality-control staff, although the company reports only nine total employees and is identified as a trading company. Financial records are indicated for 2022–2024, but financial performance cannot be assessed from the provided data. No certification evidence, overseas service network, written complaint-handling procedures, or written corrective-action procedures is provided.

After-Sales capabilityThe supplier has in-stock service capability and accepts FOB, CIF, CFR, and EXW quotation terms, but reports no overseas warehouse, overseas showroom, overseas agent or branch, and no participation in offline trade shows. It also has no written complaint-handling or corrective-action procedures or records, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier reports at least one new product in the past year, provides ODM services, and offers extensive design customization. However, it reports only one year of total R&D-engineer experience and no available SDK, so innovation capability is supported but not comprehensively demonstrated.

Production capacityThe supplier reports PCB output of 360,000 square meters and 50 quality-control staff, and offers multiple PCB categories including high-frequency, metal-core, multilayer, flexible, and prototype PCBs. However, it is identified as a trading company with nine employees, while outsourcing procedures and manufacturing-capacity contracts are unknown, so the underlying production-control capability is not fully verifiable.

Customization capabilityBoth R&D and design-service records list customization from samples, customization from designs, full customization, minor customization, and flexible customization. The supplier also provides ODM services, giving explicit evidence of broad customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of relevant customer experience. However, no customer names, project details, or independently verifiable case studies are provided.