20+ Years Experience | 50+ Production Lines | 100% Quality Inspection
From ISO to Fire-proof certifications, our facility is engineered for precision. Yuefong Lock offers the ultimate OEM & ODM partnership, delivering factory-direct professional support for security professionals worldwide.
Product Description
| Item | Value |
| Place of Origin | China |
| Guangdong | |
| Brand Name | OEM |
| Model Number | L507 |
| Product Name | Round Combination Padlock |
| Material | Zinc Alloy, Aluminum Alloy |
| Color | Silver/Red/Blue/Black |
| Application | Outdoor Environment |
| Unlock way | Combination Password |
| MOQ | 100pcs |
Instrument Testing
All the products have to pass 36 strict inspection and testing processes from incoming raw materials to finished products before ex works.
We are a direct source factory with over 30 years of manufacturing experience. Our 70,000㎡ garden facility in Zhongshan allows us to handle everything from raw material die-casting to final assembly, ensuring you get the most competitive factory-direct pricing.
Absolutely! We specialize in JDM/ODM services. With our in-house mold workshop and a 20-person R&D team, we can provide professional technical drawings and custom solutions within 3–5 days to bring your brand’s vision to life.
We pride ourselves on our large-scale output. Currently, our facility maintains a monthly capacity of over 1,000,000 units. This stable supply chain ensures that even for peak-season high-volume orders, we can guarantee consistent and on-time delivery.
Quality is our lifeline. We implement a three-stage inspection process (30%, 70%, and 100% completion). Our labs conduct 120-hour salt spray and precision tests, and we will update you with photos and videos throughout the production cycle.
Yes, our smart security products are perfectly integrated with the Tuya, TTLock, and Matter ecosystems. We can also customize firmware tweaks to ensure the locks work seamlessly with your specific smart home platforms and local market requirements.
We love growing with our partners! While our standard MOQ is usually 1,000 units, we offer flexible support for startup brands and retail trials. Please share your current plan, and we’ll apply for a special arrangement to help you get started.
Definitely. We highly recommend testing our “Engineering Trust” firsthand. We can arrange samples for your evaluation, and the sample fee will be fully refunded once you place your first bulk order. It’s a risk-free way to verify our craftsmanship.
Typically, our production cycle is 35–45 days. For urgent projects or stock items, we can fast-track the process to 7–15 days. We always confirm the exact timeline within 3 days of receiving your deposit to keep your marketing schedule on track.
Yes, our manufacturing process strictly follows ISO9001-2015 standards. Most of our products are already certified for major global markets (CE, FCC, RoHS). If your region requires a specific certification, we are fully prepared to cooperate and help you obtain it.
We provide a 1-year warranty and a lifetime technical support plan for all smart locks. We also offer 1–2% spare parts with bulk orders to ensure your local service remains uninterrupted. Your customers’ safety and satisfaction are our top priorities.
Step inside our 70,000㎡ Garden Factory, where 23 years of heritage meets modern smart manufacturing.
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