SHENZHEN YOUNUO IET CO., LTD
Smart Lock OEM/ODM Manufacturer with In-House Engineering
Founded in Shenzhen in 2011, YOUNUO IET combines industrial design, mechanical engineering, electronics, embedded IoT firmware and controlled mass production for residential, apartment and hotel lock programs.
Company profile
A Shenzhen smart lock manufacturer built around engineering ownership
YOUNUO IET was founded in Shenzhen in 2011 as an integrated smart lock OEM/ODM manufacturer covering product design, engineering validation and controlled mass production.
International brands, importers and project buyers work with one team across residential smart locks, apartment locks, hotel lock systems and PCBA/SKD programs. The same project path can include multilingual firmware, custom tooling, CKD/SKD delivery and export documentation.
BrazilMiddle EastEuropeNorth America
Core product scope
Three product lines for international B2B sourcing
The product portfolio is organized around finished smart locks, hotel access systems and assembly-ready smart lock programs. Engineering services are evaluated separately under OEM/ODM.
01
Home Smart Locks
Fingerprint, face recognition, keypad, card and app-connected smart locks for residential brands, distributors, apartment projects and wholesale channels.
Discuss Smart Door Lock Project02Hotel Lock Systems
RFID card hotel locks, TTLock-compatible hotel workflows and YOUNUO JoyInn QR/PIN hotel lock systems for hotels, serviced apartments and rental properties.
Discuss Hotel Lock Project03Smart Lock SKD
Smart lock SKD kits, PCBA, fingerprint modules, camera modules, IoT connectivity modules and assembly coordination for qualified local-production programs.
Discuss SKD & PCBA ProjectFounder-led engineering
25+ years of product engineering and project execution experience
Zhenjun Pi, known internationally as Edward Pi, gained technical and project-management experience at Philips and Foxconn before founding YOUNUO IET in 2011. He built the company around stable firmware, durable mechanical structures and market-specific localization so overseas programs can move from concept to mass production with fewer handoff risks.
Zhenjun Pi (Edward Pi)Founder & Managing Director
Development milestones
Built for export-oriented smart lock programs
- 2011YOUNUO IET founded in Shenzhen
Established the smart lock hardware R&D and manufacturing foundation.
- 2015Connected-lock development
Expanded Tuya WiFi and Bluetooth smart lock development.
- 2018In-house firmware capability
Built embedded development and multilingual localization capability.
- 2021Priority export markets
Expanded Portuguese and Spanish programs for Brazil and the Middle East.
In-house R&D team
Eight specialists from industrial design to embedded IoT
Product appearance, mechanical structure, electronics and firmware are coordinated in one engineering workflow without outsourcing the core development path.
Structural engineers
Lock-body fit, mechanical architecture, 3D modeling, tooling review and assembly feasibility.
ID industrial designer
Product form, user interaction, finish direction and brand-side appearance development.
Hardware engineers
Circuit design, PCBA development, component selection, motor control and electronic validation.
Embedded & IoT engineers
Firmware, Tuya Bluetooth/WiFi, Matter coordination, multilingual voice and platform integration.
Engineering workflow
One development path from concept to validation
- 01Industrial design & 3D
- 02Structure & tooling
- 03Electronics & PCBA
- 04Firmware & localization
- 05Prototype & validation
Buyer-side advantages
Five capabilities that reduce overseas development risk
The cooperation model is designed for international buyers that need localized products, controlled development and dependable technical follow-up.
Full-stack development
Industrial design, structure, hardware and embedded software are reviewed by one internal team.
Market localization
Brazilian Portuguese, Spanish and English voice or menu requirements can be prepared by project.
Flexible cooperation
Standard-platform OEM, private tooling, CKD kits and SKD assemblies support different market-entry strategies.
Controlled quality
Incoming inspection, functional validation, aging, environmental checks and final inspection support export delivery.
Export project support
Sampling, documentation, firmware follow-up and after-sales technical coordination continue after production handoff.
Global market support
Localization for priority smart lock markets
Product platforms and buyer documents are aligned to target-market access workflows, language expectations and project delivery requirements.
Brazil
Portuguese firmware and voice localization, OEM/ODM programs and CKD/SKD cooperation for local market strategies.
Middle East
Hotel, apartment and residential lock programs reviewed for access method, climate and project-operation needs.
Europe & North America
Model-specific documentation, protocol requirements and compliance planning coordinated before quotation.
Factory & quality control
Controlled production from PCBA to finished smart locks
A 4,200 m² Shenzhen facility combines SMT production, PCBA validation, smart lock assembly, aging tests and final inspection for both scalable and project-based orders.
Six-stage quality path
Quality checkpoints before export handoff
- 01Incoming inspection
- 02SMT & PCBA inspection
- 03Semi-finished function test
- 0472-hour aging test
- 05Water & dust checks
- 06Final full inspection
YOUNUO IET maintains an ISO 9001:2015 quality management system. CE, FCC and other market documents are reviewed by product model and destination market.
Supplier verification path
Review evidence before requesting a quotation
Use the connected factory, engineering, certificate and customer-case pages to verify the capability relevant to your sourcing program.
01
Factory & QA
Assembly, PCBA integration, quality checkpoints, reliability testing and export handoff.
02R&D
ID, structure, hardware, firmware, validation and product-development workflow.
03Quality Control
Current ISO 9001:2015 quality-management certificate and approved public documents.
04Cases
Verified cooperation examples showing how OEM and project requirements were handled.
Supplier evaluation
Discuss the right sourcing path with YOUNUO IET
Send the target market, product line, expected quantity, access methods, app or protocol requirements, branding scope and required buyer documents for commercial and engineering review.