IATF 16949 certified OEM supplier — 12+ years on power distribution, control modules, switches & HUD systems for commercial vehicles and construction machinery.
From power distribution and BCM to switches, sensors and smart displays — a complete electrical and electronic system stack for OEM programs.
Central power distribution boxes, fuse boxes and relay boxes for trucks, buses and construction machinery.
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Body, powertrain and telematics control modules — BCM, VCU, T-BOX, domain controllers — on CAN-FD / J1939 / UDS.
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CAN-bus switch panels, TPMS sensors, rain & light sensors, bus stop buttons and buzzers.
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HUD, instrument clusters, CAN displays, CMS electronic mirrors and surround-view systems.
ExploreNBX series — central power distribution boxes, fuse boxes, relay boxes and junction boxes for commercial vehicles, buses and construction machinery.
Five commercial-vehicle segments where Youlai supplies OEM electronics. Click any tile to see the typical product mix.
OEM electronics matched to the working conditions of your target market — climate-adapted variants for desert duty in the Middle East / GCC and tropical conditions across Southeast Asia / ASEAN, with project-based support for every other region.
Desert-grade variants — 50–55°C operation, IP65 / IP67 sealing, J1939 / CAN-FD, IATF 16949 documentation.
View regionTropical-grade variants — 95% RH humidity, IP65 / IP67 sealed and conformal-coated PCBs, low-volume start support for local programs.
View regionEurope, North America, CIS, Africa and South Asia — programs quoted and engineered per project. Send a specification to start.
See processYoulai supplies IATF 16949 certified electronics to leading Chinese commercial-vehicle and construction-machinery manufacturers — chosen because of full product coverage from power distribution to BCM and displays, in-house environmental lab + EMC pre-compliance, and 12+ years of OEM delivery.
Learn About Youlai
What sits behind every shipment — production lines, in-house labs, full protocol stack and IATF documentation.
3 SMT auto lines, 1 THT auto-flow line, 4 standard assembly lines.
Temperature, humidity, salt spray, vibration, dust, ESD, surge testing.
CAN 2.0 / CAN-FD / LIN / SAE J1939 / ISO 14229 UDS / ISO 15765.
IATF 16949 + ISO 14001 + ISO 45001 certified manufacturing system.
Practical buyer guides for commercial-vehicle and machinery electronics — from power distribution and control modules to switches, sensors and displays.
Circuit count, fuse standard, connector choice, IP rating and environmental class — a buyer guide written around actual program decision points.
Read guideArchitecture comparison, decision tree and OEM use cases. When to consolidate, when to split, and how the BCM changes the answer.
Read guideThe functions a body control module owns, where it sits on the CAN / J1939 bus, and how to write a BCM spec a supplier can build to.
Read guideTorque coordination, regeneration and HV sequencing — how the VCU differs from the BCM and PMU, and how to write a VCU specification.
Read guideWhen a CAN switch panel beats hard-wired switches, the CAN vs LIN vs hard-wire trade-off, and how to specify one for a cab.
Read guideWindshield vs combiner HUD, where the data comes from over CAN, and when a head-up display earns its place in a truck or bus cab.
Read guideTypical reply within 24 hours (China time UTC+8). Drawings and specifications welcome via WhatsApp or email.
