Ersheng Marks 22 Years in Automotive and Marine Electrical Manufacturing, Expands OEM Support for 2026

Dongguan, China, November 6, 2026 — Ersheng Integrated Technology, founded in 2003, marks 22 years of manufacturing electrical accessories for automotive, marine and off-road applications. The company enters its 2026 programme with an expanded OEM and private-label service model aimed at distributors and e-commerce brands in North America, Europe and Australia.

From component supplier to build partner

Two decades of 12V and 24V work has shifted what buyers expect. Price alone no longer wins a programme: distributors now ask for documented waterproof ratings, consistent relay quality, packaging that survives cross-border fulfilment, and a supplier who can answer a fitment question in the same working day. Ersheng has restructured its engineering and quality workflow around those requirements.

Product families covered

What OEM partners get

• Engineering review before tooling: mounting depth, cut-out size, connector type and relay rating agreed against the target vehicle.
• Sample rounds: pre-production units supplied for fitment and electrical testing before volume release.
• Quality documentation: IP ratings, CE and RoHS declarations, and incoming inspection records for relay and housing batches.
• Retail-ready packaging: brand printing, neutral cartons, barcode and marketplace labelling.
• Production consistency: in-house PCBA, tooling, injection and assembly under one roof, so a change request does not travel through three subcontractors.

Why marine and off-road buyers stay

Marine and off-road duty cycles expose weaknesses quickly: salt spray attacks unfinished terminals, vibration loosens press-fit parts, and UV degrades cheap plastics. Ersheng tests sealing and current handling against those conditions before a product reaches the catalogue, which is why the same switch panel design serves a boat builder in Italy and a UTV assembler in Texas.

Looking ahead to 2026

For the coming season the company is prioritising three areas: wider use of Type-C PD charging in dual-port sockets, integrated relay control in switch panels, and modular battery box platforms that accept lithium and AGM configurations. Distributors planning 2026 catalogues can request the current product list, specification sheets and sample lead times through ershengcarparts.com.

About Ersheng

Ersheng Integrated Technology is a Dongguan-based manufacturer of automotive and marine electrical accessories, operating an ISO 9001 and IATF 16949 aligned quality system with more than 160 patents. Its products are sold through distributors, installers and e-commerce brands in more than 40 markets.