Kinji Group

Kinji Group is a Shenzhen-based PCB manufacturer offering custom circuit board production and assembly services. With 27 years of manufacturing experience, the company supports projects from research and development through production, using in-house processes intended to reduce outsourcing and streamline procurement. Its product range includes HDI, multilayer, high-frequency, rigid-flex and flexible PCBs, as well as aluminum-, copper- and ceramic-substrate boards. Examples include automotive boards, energy-storage mainboards, LED boards, optical-module PCBs and lithium-battery protection circuits. Kinji also provides rapid online quoting and advertises a 24-hour prototype turnaround.

The company highlights automated manufacturing equipment, selected raw materials, specialized processes and layer-by-layer inspections as part of its quality approach. Available finishes include immersion gold, gold plating, ENEPIG, immersion silver and lead-free HASL. Kinji states that its operations hold certifications including UL, ISO 9001, IATF 16949, ISO 45001 and ISO 14001, and reports a finished-product qualification rate above 99%. Its team serves customers across more than 128 countries and regions, with customization support and direct contact options.