Top 10 Cam Lock Manufacturers in China (2026)

1. Why Cam Lock Sourcing from China Matters

Cam locks are the most widely used lock type in commercial and industrial hardware. Every filing cabinet, server rack, vending machine, mailbox, and locker you encounter likely has a cam lock inside. The global market is valued at over $2 billion annually, and China manufactures the overwhelming majority of them.

That scale creates opportunity and risk. Searching “cam lock manufacturer” on Alibaba returns 3,000+ results, but most listings are from trading companies reselling the same handful of factories’ products. Fewer than 100 suppliers have actual in-house die casting and key cylinder manufacturing capability. And of those, only a small fraction hold quality certifications beyond a basic ISO 9001.

This guide identifies the 10 factories actually worth sending an RFQ to. We evaluated die casting capability, cylinder manufacturing, keying system design, product range, certifications, and export track record — the factors that separate a genuine cam lock manufacturer from a reseller with a warehouse.

2. How We Ranked These Manufacturers

Each manufacturer was evaluated across six dimensions specific to cam lock manufacturing:

1. Cam lock product range — total cam lock SKUs, mechanism types (flat key, tubular, disc-detainer, electronic), body sizes, and cam/tailpiece options
2. Die casting & manufacturing capability — in-house zinc alloy die casting, CNC machining, cylinder pin assembly, surface treatment (plating, powder coating), and quality inspection equipment
3. Keying system design — master key capability, keyed-alike sets, key-retaining, restricted key series, and custom bitting charts
4. Certifications — ISO 9001, IATF 16949, CE, UL, RoHS/REACH, and ANSI/BHMA compliance
5. Export experience & MOQ — countries served, years of OEM/ODM export history, minimum order flexibility
6. Customization speed — tooling lead time, sample delivery, DFM support, and design iteration responsiveness

Disclosure: Hengchieh (the publisher of this article) is included in this ranking. We apply the same criteria to ourselves and are transparent about our position.

3. Top 10 Cam Lock Manufacturers in China (2026)

1. Hengchieh Precision (HENGCHIEH) — Ningbo, Zhejiang

Founded in 1988, Ningbo Hengchieh Industrial Locking Technology Co., Ltd. produces 75+ cam lock models across flat-key, tubular, disc-detainer, tool-operated, and electronic types. What makes Hengchieh stand out is vertically integrated manufacturing: zinc alloy die casting, CNC machining of cylinders and housings, pin tumbler assembly, surface treatment (chrome, nickel, powder coat), and final assembly all happen in-house within a 13,000 sq.m. factory.

Hengchieh holds IATF 16949 certification — the automotive-grade quality standard that fewer than 5% of Chinese hardware factories hold. This means every cam lock batch undergoes SPC (statistical process control) and full traceability from raw zinc ingot to finished lock. Beyond cam locks, Hengchieh also manufactures panel locks, toggle latches, and industrial hinges — useful if you need a single-source supplier for complete enclosure hardware. The company designs master key bitting charts and restricted key series in-house, with DFM consultation provided free during quotation.

• Cam Lock SKUs: 75+ models (body diameters: 12mm, 16mm, 19mm, 22mm, 27mm)
• Key Types: Flat key, tubular, disc-detainer, dimple key, tool-operated (triangle, square, Phillips)
• Materials: Zamak 5 zinc alloy (standard), 304/316 stainless steel, brass
• Certifications: IATF 16949, ISO 9001, CE, RoHS, REACH
• MOQ: 100 pcs (catalog), 500 pcs (custom keying/finish), 2,000 pcs (new tooling)
• Specialties: Master key systems, keyed-alike sets, cabinet cam locks, server rack cam locks, custom cam shapes for toolbox lock bars

2. MAKE Locks — Xiamen, Fujian

MAKE Industrial Co., Ltd. has emerged as China’s leading manufacturer of electronic cam locks. Founded in 2001 in Xiamen, Fujian Province, MAKE produces both traditional mechanical cam locks and electronic variants with RFID, keypad, and Bluetooth access. Their in-house PCB manufacturing gives them tight control over electronics quality.

• Cam Lock SKUs: 40+ mechanical + 20+ electronic models
• Key Types: Flat key, tubular, combination dial, RFID card, keypad PIN, Bluetooth
• Materials: Zinc alloy, ABS/nylon (electronic housings)
• Certifications: ISO 9001, CE, FCC, RoHS
• MOQ: 200–500 pcs (mechanical), 100–300 pcs (electronic)
• Specialties: Smart locker locks, vending machine locks, parcel locker systems, software integration API for locker management

3. Mingyi Light Industry — Quanzhou, Fujian

Mingyi Light Industry Technology Co., Ltd. in Quanzhou is a large-scale producer of standard cam locks for cabinets, mailboxes, and furniture. With 15+ years of production and a 10,000+ sq.m. facility, Mingyi focuses on volume efficiency: their automated die casting lines produce large quantities of standard cam lock bodies at competitive unit pricing.

• Cam Lock SKUs: 50+ standard models
• Key Types: Flat key (primary), tubular, tool-operated
• Materials: Zinc alloy, some brass options
• Certifications: ISO 9001, CE, RoHS
• MOQ: 500–1,000 pcs
• Specialties: High-volume runs (10,000+ pcs), competitive pricing on standard models, fast delivery on stock items

4. Jin Ming Hardware — Wenzhou, Zhejiang

Wenzhou is China’s “lock capital,” and Jin Ming Hardware is one of its largest flat-key cam lock producers. They specialize in high-volume, low-cost cam locks for applications where basic security is sufficient: mailboxes, lockers, display cases, and utility cabinets. Their automated wafer cylinder assembly keeps per-unit costs well below the industry average.

• Cam Lock SKUs: 30+ models (focused on flat key)
• Key Types: Flat key (wafer), basic tubular
• Materials: Zinc alloy, brass cylinders
• Certifications: ISO 9001, CE
• MOQ: 1,000 pcs
• Considerations: Limited customization capability; best for buyers who need a standard lock in high volume at the lowest possible unit price

5. Mesan Lock Technology — Wenzhou, Zhejiang

Mesan Lock specializes in cam locks designed for electrical panels, meter boxes, and utility infrastructure. Their product line includes triangle-key, square-key, and cross-key cam locks that match utility-standard keyways used by power companies across Europe, the Middle East, and Southeast Asia. They also produce standard flat-key cam locks.

• Cam Lock SKUs: 35+ models
• Key Types: Triangle, square insert, cross key, flat key, master key systems for utility grids
• Materials: Zinc alloy, die-cast aluminum
• Certifications: ISO 9001, CE
• MOQ: 500–1,000 pcs
• Specialties: Utility-standard keyways (DIN-standard triangles, double-bit), master key systems for municipal infrastructure

6. BAOTAI Hardware — Ningbo, Zhejiang

BAOTAI, based in Ningbo, manufactures cam locks alongside their main product line of compression latches and toggle latches. Their cam lock range covers 16mm and 19mm body diameters in flat-key and tubular-key variants. Ningbo’s proximity to the world’s busiest port (Ningbo-Zhoushan) translates to lower shipping costs for export buyers.

• Cam Lock SKUs: 20+ models
• Key Types: Flat key, tubular
• Materials: Zinc alloy
• Certifications: ISO 9001, CE, RoHS
• MOQ: 100–500 pcs
• Considerations: Cam locks are not their primary product line — limited customization for complex keying systems

7. Sanjian Lock — Pujiang, Zhejiang

Sanjian Lock Factory, located in Pujiang (Zhejiang’s padlock manufacturing hub), produces cam locks alongside their core padlock business. They offer combination dial cam locks (no key required) and hybrid cam locks with both key and combination access. Pujiang’s deep padlock supply chain gives Sanjian access to low-cost brass cylinders and hardened steel components.

• Cam Lock SKUs: 25+ models
• Key Types: Combination dial, flat key, key + combination hybrid
• Materials: Zinc alloy, brass, stainless steel
• Certifications: ISO 9001
• MOQ: 500 pcs
• Considerations: Stronger on combination and padlock-style locks; less depth in pin-tumbler and tubular-key cam locks

8. Lowe & Fletcher (China) — Suzhou, Jiangsu

Lowe & Fletcher (L&F), a UK-based lock manufacturer since 1889, operates a production facility in Suzhou, China. They are known for high-security cam locks used in vending machines, gaming equipment, and point-of-sale terminals. L&F’s cam locks feature patented key profiles and restricted keyways that prevent unauthorized key duplication.

• Cam Lock SKUs: 30+ models (mechanical + electronic)
• Key Types: Radial pin, dimple key, electronic (all patented/restricted)
• Materials: Zinc alloy, brass, stainless steel
• Certifications: ISO 9001, EN 1303, VdS (German security approval)
• MOQ: 500–1,000 pcs
• Considerations: Premium pricing (50–100% above domestic Chinese manufacturers); long lead times for non-standard configurations; best suited for high-security applications where key control is critical

9. Kerong Industrial — Shenzhen, Guangdong

Kerong Industrial, based in Shenzhen, focuses exclusively on electronic and smart cam locks. Their product line includes fingerprint cam locks, Bluetooth cam locks, and cloud-connected cabinet locks with mobile app management. Shenzhen’s electronics manufacturing ecosystem gives Kerong fast access to sensors, Bluetooth modules, and battery components.

• Cam Lock SKUs: 15+ electronic models
• Key Types: Fingerprint, RFID, Bluetooth, PIN code, mobile app
• Materials: Zinc alloy + ABS housing
• Certifications: ISO 9001, CE, FCC, RoHS
• MOQ: 100–200 pcs
• Considerations: No mechanical cam lock production; electronic-only manufacturer. Battery life, firmware updates, and long-term software support are important evaluation factors for electronic locks

10. Cixi Sanhe Lock — Cixi, Zhejiang

Cixi Sanhe Lock Factory, based near Ningbo in Cixi City, specializes in small-diameter cam locks (12mm and 16mm body) for thin-panel enclosures, instrument panels, and ABS junction boxes. Their production emphasizes precision on miniature components where a fraction-of-a-millimeter tolerance matters for flush mounting and panel fit.

• Cam Lock SKUs: 20+ models (focused on small-diameter)
• Key Types: Flat key, tubular, tool-operated
• Materials: Zinc alloy, brass
• Certifications: ISO 9001, CE
• MOQ: 500 pcs
• Considerations: Limited range above 22mm body diameter; strongest in the 12–16mm niche where precision matters most

4. Side-by-Side Comparison Table

Use this table to shortlist cam lock manufacturers based on your specific requirements:

5. Cam Lock Materials & Finishes Compared

Choosing the right material is the single biggest cost and performance decision when sourcing cam locks. Here’s how the options compare:

For a deep-dive comparison of zinc alloy versus stainless steel in industrial locks, see our zinc alloy vs stainless steel lock guide. If you are evaluating Zamak alloy compositions, our Zamak material guide covers Zamak 2, 3, 5, and 7 variants in detail.

6. Keying Options: What to Specify When Ordering

The keying system is often more important than the lock body itself. Here’s what you need to specify to your manufacturer:

1. Keyed different (KD) — Each lock gets a unique key. Standard default. Best for applications where individual security is critical (employee lockers, personal storage).
2. Keyed alike (KA) — All locks in your order open with the same key. Ideal when one person manages multiple cabinets. Specify the number of keys per lock (standard: 2).
3. Master keyed (MK) — Each lock has its own key, plus a master key opens all. Requires a bitting chart — make sure your manufacturer designs this in-house rather than outsourcing it. Hengchieh provides bitting chart design at no extra charge for orders of 100+ locks.
4. Grand master keyed (GMK) — Multiple master key groups under one grand master. Used in large facilities with department-level access control.
5. Key-retaining — Key cannot be removed unless the cam is in the locked position. Prevents unlocked-and-forgotten situations in shared environments.

For a detailed guide on cam lock keying configurations for cabinets, including keyed-alike set pricing and master key system design, see our dedicated article.

7. How to Choose the Right Cam Lock Supplier

By Application

• Server racks & data centers → Hengchieh (75+ models, keying expertise, tubular and disc-detainer options), L&F (high-security patented keys)
• Vending machines & gaming → L&F (restricted keyways, anti-pick), MAKE (electronic + mechanical)
• Office furniture & filing cabinets → Mingyi (high volume, low cost), Hengchieh (keyed-alike sets)
• Electrical panels & utilities → Mesan (utility-standard keyways), Hengchieh (ISO-certified, full range)
• Smart lockers & parcel systems → MAKE (software integration), Kerong (app-controlled)
• Toolboxes & roll cabs → Hengchieh (custom cams for lock bars), Sanjian (combination options)

By Volume

• Prototype / small batch (50–500 pcs) → Hengchieh (MOQ 100 catalog), BAOTAI, Kerong
• Mid-volume (1,000–10,000 pcs) → any manufacturer on this list
• High volume (10,000+ pcs) → Hengchieh, Mingyi, Jin Ming (strongest production capacity and consistency at scale)

By Quality Standard

• Automotive-grade (IATF 16949) → Hengchieh (the only Chinese cam lock manufacturer on this list with IATF 16949)
• European security standard (EN 1303) → L&F
• UL-listed assemblies → Hengchieh (CE + RoHS), L&F
• Budget-priority → Jin Ming, BAOTAI, Cixi Sanhe

8. Sourcing Tips & Red Flags

5 Things to Verify Before Placing an Order

1. Request a salt spray test report. Any reputable cam lock manufacturer can provide test data per ASTM B117. Minimum 48 hours for chrome-plated indoor locks, 200+ hours for outdoor-rated locks. If they can’t produce this, their plating process is uncontrolled.
2. Ask for a key differs count. Flat-key cam locks typically offer 1,000–3,000 key differs (unique key combinations). Tubular locks offer 10,000+. Disc-detainer: 50,000+. If a manufacturer can’t tell you the key differs, they may not control their own cylinder production.
3. Verify in-house die casting. Ask for photos of their die casting machines (should see hot chamber machines for zinc alloy, typically 160–400 ton clamping force). A factory without die casting is assembling parts made elsewhere.
4. Check the cam/tailpiece options. A real cam lock manufacturer offers 5–10+ different cam shapes (straight, offset, hooked, T-bar, wing) and can produce custom cams from your drawing. If they only have 2–3 cam shapes, they’re limited.
5. Test master key feasibility. Request a master key bitting chart for a small group (10–20 locks). If the manufacturer needs to “consult their supplier,” they don’t make their own cylinders.

Red Flags to Avoid

• MOQ 1 for “custom keyed” cam locks — Genuine custom keying requires cylinder pin setup. MOQ 1 means they’re selling random-keyed stock, not manufacturing to your specification.
• Cannot provide key registration numbers — Every legitimate cam lock batch should come with key registration records. No records = no traceability = potential key duplication security risk.
• Price 60%+ below market — A zinc alloy cam lock at $0.15 per piece likely uses recycled alloy (weaker, porous), thin chrome plating (flakes within months), and uncontrolled cylinder tolerances (keys from different batches cross-open).
• No product-specific ISO certification — Some trading companies buy an ISO 9001 certificate that covers their “trading” business, not manufacturing. The ISO certificate should list the factory address and include “manufacturing of locks” or similar in the scope. For more on factory verification, see our hardware sourcing from China guide.

9. Frequently Asked Questions