VOC

What VOC does

VOC (Zhejiang VOC Technology Co., Ltd. / 浙江威欧希科技股份有限公司) is a Wenzhou-headquartered Chinese smart door lock manufacturer and brand founded in 2012. The company designs, produces, and distributes IoT-connected residential and commercial smart locks across multiple product families: the X handle-style series, K advanced series, T designer series, V high-end flagship series, and a C office-environment line. Underlying technology includes Class C lock cylinders, Cat.1 independent network communication, advanced data encryption, 8+ unlocking methods (fingerprint, PIN, app, card, key, NFC, etc.), the V-Shield dual-system architecture (launched December 2024), and an isolated backup power patent featured in the T10 Plus S. A proprietary SaaS installation and after-sales platform connects the installed base to a nationwide network of over 5,000 service engineers. Manufacturing runs out of a ~100,000 sqm smart manufacturing industrial park near Wenzhou with 3 million unit annual production capacity and over 500 million RMB in cumulative investment, supporting both branded products and ODM/OEM services.

The company's business model combines three revenue streams: branded hardware sales across X/K/T/V/C series (hardware_sales), ODM/OEM manufacturing leveraging spare capacity (hardware_sales), and enterprise system solutions for property management platforms and rental housing operators (managed_services). Go-to-market is a hybrid omnichannel design: direct-to-consumer e-commerce on Tmall, JD.com (self-operated and official), Douyin, and Pinduoduo, paired with an offline retail store network and a franchise/distributor recruitment program; on the enterprise side, VOC pursues direct project-based sales to real estate developers (37% of China's top 100 are strategic partners, including Poly, China Railway, Sunac, Wanda, China State Construction, Zhongliang) and long-term rental apartment operators via OnePark platform integration and the 2024 Supply Chain White List. Products are embedded in the Huawei HiLink / HarmonyOS Connect, HONOR Connect, Xiaomi Mi Home, and Tuya smart home ecosystems. Pricing is opaque (set by inquiry or channel negotiation), and the brand is endorsed by Hong Kong actor Louis Koo with a claimed installed base of over 10 million households globally. Internationally, VOC holds FCC, CE, and ISO 9001:2015 certifications, has received the German Red Dot Design Award and the FT Quality Award, and is recognized as a National High-Tech Enterprise and Specialized and Sophisticated 'Little Giant' Enterprise by the Chinese government.

Name

VOC

Legal name

浙江威欧希科技股份有限公司

Website

https://voc.so

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

1–10 employees

Short description

VOC is a Wenzhou-based Chinese smart door lock manufacturer and brand founded in 2012, designing and producing IoT-connected smart locks across X, K, T, V, and C series for residential consumers, real estate developers, and rental apartment operators, both directly and via ODM/OEM.

Ownership category

akta.pro rank

Product category

Smart Door Locks

NAICS

Security Systems Services (except Locksmiths) (561621), Security Systems Services (56162)

SIC

Measuring & Controlling Devices, Nec (3829)

akta.pro primary industry

Smart Locks & Access Control Retail (CRACAGAD)

akta.pro secondary industries

Access Control & Smart Locks (Managed/Monitored) (HSAHAAAG), Intercom & Video Entry Integration with Smart Locks (HSAHAEAI), Remote Unlock & Visitor Management (Mobile Credentials/Packages) (HSAHAIAL)

Keywords

• Smart door locks
• IoT security systems
• Keyless entry hardware
• Smart home access control
• Residential security hardware

Headquarters

HQ city

Wenzhou

HQ country

China

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Smart Door Lock Hardware Sales: Primary revenue from manufacturing and selling smart door lock hardware across multiple product series (X, K, T, V, C, Deadbolt) targeting residential and commercial customers. Annual production capacity of 3 million smart door locks.
2. ODM/OEM Manufacturing Services: Beyond brand authorization, VOC offers ODM/OEM services leveraging its large-scale manufacturing capacity of 3 million units annually and nearly 100,000 square meters of production facilities.
3. Enterprise Software and System Solutions: Provides comprehensive software and hardware systematic smart security systems for enterprise and government clients, including property management platforms and long-term rental apartment management systems.

Go-to-market motion3 records

Distribution channels8 records

Marketing channels8 records

Core offering

Zhejiang VOC Technology Co., Ltd. designs, manufactures, and sells a portfolio of IoT-connected smart door locks organized in five product series (X, K, T, V, C) plus Deadbolt, supporting multiple unlock methods (fingerprint, PIN, card, app, key, face, hand vein) and backed by a proprietary installation and after-sales SaaS platform. In addition to branded hardware sales through D2C e-commerce, offline retail, and franchise channels, the company provides ODM/OEM contract manufacturing at a 3 million-unit annual capacity and integrated smart security system solutions for real estate developers, long-term rental apartment operators, property management firms, and commercial/office building operators.

Differentiator

Problem solved

Functional benefit

Products and services

• VOC X6 Smart Lock (X Series — Lever-Handle Style) VOC X6 is a smart door lock in the X Series (lever-handle style) targeting entry-level residential customers seeking keyless entry with multiple unlock methods.
• VOC X10 Smart Lock (X Series — Lever-Handle Style) VOC X10 is a smart door lock in the X Series (lever-handle style) designed for residential customers wanting multi-method keyless entry in a traditional handle form factor.
• VOC K5 Smart Lock (K Series — Advanced) VOC K5 is an advanced-tier smart door lock in the K Series targeting residential users seeking richer feature sets than the X Series entry-level lever-handle models.
• VOC K5 S+ Smart Lock (K Series) VOC K5 S+ is an upgraded smart lock in the K Series with additional capabilities over the base K5 model, aimed at residential customers seeking enhanced performance.
• VOC K7 Pro Smart Lock (K Series) VOC K7 Pro is a mid-to-upper tier residential smart lock in the K Series offering advanced security and smart-home integration features.
• VOC K9 Max Smart Lock (K Series) VOC K9 Max is a top-tier smart lock in the K Series, awarded the 2024 Golden Hook Prize for design and innovation. Targeted at residential customers seeking premium features and aesthetics.
• VOC T10 Plus Smart Lock (T Series — Designer) VOC T10 Plus is a designer-style smart lock in the T Series aimed at residential customers who prioritize aesthetic design alongside keyless entry.
• VOC T10 Plus+ Smart Lock (T Series) VOC T10 Plus+ is an enhanced designer-style smart lock in the T Series with additional features beyond the base T10 Plus model.
• VOC T10 Plus S Smart Lock (T Series) VOC T10 Plus S is a designer-style smart lock in the T Series featuring industry-first isolated backup power patent technology that maintains operation during power outages. Targeted at high-end residential smart lock consumers.
• VOC T30 Max Smart Lock (T Series) VOC T30 Max is a designer-style smart lock in the T Series winning the 2025 Boiling Intelligence Award for smart functionality excellence. Targeted at high-end residential smart lock consumers.
• VOC V70 Max Smart Lock (V Series — Flagship) VOC V70 Max is the flagship smart lock in the V Series high-end lineup and 2025 Boiling Quality Gold Award winner. Targeted at the high-end residential smart lock consumer segment.
• VOC C Series Office Door Locks VOC C Series office door locks are a dedicated product line for office environments, targeting commercial and office building operators needing employee access control, visitor tracking, and integration with commercial building management systems.
• VOC G-X3 Smart Lock (Long-Term Rental Apartment Version) VOC G-X3 is a smart lock targeted at long-term rental apartment operators and government/enterprise clients, supporting eight unlock methods with Cat.1 independent network communication and seamless integration with the OnePark public rental housing cloud management platform for multi-level tenant management.
• VOC ODM/OEM Smart Lock Manufacturing Services ODM/OEM contract manufacturing service that leverages VOC's 3 million-unit annual smart lock production capacity and approximately 100,000 square meters of high-end manufacturing facilities, enabling third parties to source smart locks under their own brand or as custom designs.
• VOC Smart Home Mini Program Platform VOC Smart Home Mini Program is a WeChat-based platform providing end-to-end interaction between VOC smart lock products and users, supporting the company's intelligent deployment strategy across multiple commercial scenarios.
• VOC Enterprise Smart Security System Solutions VOC provides comprehensive software-and-hardware systematic smart security solutions for enterprise and government clients, including property management platforms and long-term rental apartment management systems (e.g., OnePark-integrated rental housing platforms).

Quantifiable outcome

• Trusted by over 10 million households globally for home security
• +4 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

AI capability5 records

Feature5 records

Partnerships

Eleven partnerships are on record, tiered core and secondary.

• OnePark (长租公寓公租房云管理平台)coreTechnology or Integration · 28 November 2024VOC G-X3 Smart Lock integrates with the OnePark public rental housing cloud management platform for multi-level management, supporting the long-term rental apartment ecosystem. VOC was included in the 2024 Long-Term Rental Apartment Supply Chain White List.
• China Real Estate Association Long-Term Rental Housing BranchcoreStrategic or Co-development Partner · 28 November 2024Co-organized the first Long-Term Rental Apartment Development Forum and Supply Chain Expo in Qingdao with CRIC and China Real Estate Procurement Alliance (Youcai). VOC was included in the 2024 Supply Chain White List.
• CRIC (克而瑞)secondaryStrategic or Co-development Partner · 28 November 2024Joint organizer of the Long-Term Rental Apartment Development Forum and Supply Chain Expo. CRIC provides real estate data and analytics supporting VOC's market positioning in the rental housing sector.
• China Real Estate Procurement Alliance / Youcai (中国房地产采购平台/优材)secondaryChannel Partner/ Reseller/ Distributor · 28 November 2024Co-organized the Long-Term Rental Apartment Development Forum and Supply Chain Expo. Youcai serves as a procurement platform connecting VOC with rental housing developers.
• HUAWEI HiLinkcoreTechnology or IntegrationVOC is a HUAWEI HiLink Whole-Scenario Smart Life Outstanding Partner, with VOC smart locks certified and integrated into Huawei's smart home ecosystem, enabling seamless connectivity and control within the Huawei smart home platform.
• HarmonyOS ConnectcoreTechnology or IntegrationVOC holds HarmonyOS Connect ecosystem product technology certification, integrating VOC smart locks into Huawei's HarmonyOS ecosystem for native smart home control.
• HONOR ConnectcoreTechnology or IntegrationVOC has HONOR Connect ecosystem product technology certification and is recognized as a HONOR Star Partner, enabling integration with HONOR's smart device ecosystem.
• Tuya Smart (涂鸦智能)coreTechnology or IntegrationVOC is a Powered by Tuya Global Partner, integrating VOC smart lock products with Tuya's IoT cloud platform for broader ecosystem compatibility and global smart home connectivity.
• Huawei Smart Card (华为智卡)secondaryTechnology or IntegrationVOC smart locks are certified for Huawei Smart Card integration, enabling NFC-based unlocking functionality with Huawei devices.
• Xiaomi Mi Home (小米米家)secondaryTechnology or IntegrationVOC products have received Xiaomi Mi Home certification, enabling integration with the Xiaomi smart home ecosystem.
• Top 100 Chinese Real Estate Developers (37% strategic partnerships)coreStrategic or Co-development PartnerVOC has established strategic partnerships with 37% of China's top 100 real estate developers, including Poly, China Railway, Wanda, Sunac, Zhongliang, China Merchants Shekou, and others, providing smart lock solutions for new construction and renovation projects.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• August Home (ASSA ABLOY):
• Yale (Assa Abloy): Yale is a global lock incumbent now offering smart locks; competes with VOC in premium segments and brings established international brand recognition, though less focused on the Chinese residential market.

Direct peers

• Kaadas (凯迪仕): Kaadas is one of China's largest smart lock brands, directly competing with VOC across residential and B2B real estate channels with similar product lines, celebrity endorsements, and nationwide installation networks.
• DESSMANN (德施曼): DESSMANN is a leading Chinese smart lock manufacturer with comparable product portfolio, German-design positioning, and strong real estate developer partnerships overlapping directly with VOC's core market.
• Loock (鹿客): Loock is a Xiaomi-backed smart lock brand competing head-to-head with VOC in the Chinese residential market with similar IoT-connected smart lock offerings and ecosystem integrations.
• Lockin (云丁科技): Lockin is a Chinese smart lock and apartment access control specialist with strong B2B presence in long-term rental housing, directly competing with VOC in both residential and rental operator segments.
• Aqara (绿米联创): Aqara is a major Chinese smart home brand offering smart locks as part of a broader IoT ecosystem, competing with VOC on ecosystem integration (HomeKit, Xiaomi, Google) and smart home positioning.

Others

• Tuya Smart (涂鸦智能): Tuya is both a VOC partner and an IoT platform enabling white-label smart lock entrants; relevant as a competitor to VOC's proprietary SaaS platform and as a potential disruptor of VOC's ecosystem value.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@smartlockVOC
• Facebookfacebook.com/profile.php?id=100090891490468
• LinkedInlinkedin.com/company/zhejiang-voc-technology-co-ltd12/posts/?feedView=all&viewAsMember=true

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds3 records

Investors3 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about VOC