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When sourcing a sliding lock gate for your next project, you need a solution that combines security, durability, and seamless operation. At Shijiazhuang TJJ TRADE CO.,LTD., we supply heavy-duty sliding gate locks designed for ornamental iron fences, offering OEM/ODM support, fast lead times, and compliance with international standards. Whether you are an import manager, brand owner, or wholesaler, our factory-backed products ensure reliable performance and cost efficiency.
Understanding the Buyer’s Pain Points
Sourcing a sliding lock gate often comes with common frustrations: inconsistent quality, long shipping times, and lack of customization. Many overseas buyers struggle to find a supplier who can deliver a robust lock mechanism that fits different gate profiles while meeting local safety regulations. Without a trusted partner, you risk delays, product returns, and lost business.
Our sliding lock gate solves these issues by providing a precision-engineered product backed by two decades of foundry experience. We understand the demands of the US market – from performance expectations to certification requirements.
Our Solution: Premium Sliding Lock Gate
The sliding lock gate from TJJ is a heavy-duty locking mechanism designed for sliding gates in residential, commercial, and industrial settings. Made from cast iron or steel with a corrosion-resistant finish, it provides reliable security and smooth operation. Available in multiple sizes and finishes (black, silver, custom RAL colors) to match your gate design.
Key Features
- Robust construction – withstands up to 500 lbs of force (tested in-house)
- Dual locking points for enhanced security
- Zinc-plated internal components to prevent rust
- Compatible with most sliding gate tracks and rollers
- Easy installation – includes mounting hardware and instructions
- Customizable keying options (keyed alike, keyed different, master key)
Technical Specifications
| Parameter | Standard Model | Heavy-Duty Model |
|---|---|---|
| Material | Grey cast iron (ASTM A48) | Ductile iron (ASTM A536) |
| Finish | Powder coated black | Hot-dip galvanized + powder coat |
| Locking mechanism | Single deadbolt | Double deadbolt with anti-pick |
| Weight | 2.5 kg | 4.2 kg |
| Compatibility | Gate thickness up to 3 mm | Gate thickness up to 6 mm |
* All specifications are for reference; please confirm with actual order details.
Compliance & Certifications
Our sliding lock gate products are manufactured under ISO 9001 certified production lines. We also carry CE marking for European Union markets and can provide documentation for FCC (USA) compliance upon request. All raw materials are sourced from qualified mills and tested for chemical composition and hardness.
We adhere to ASTM standards for cast iron and steel components. Third-party testing (SGS, Bureau Veritas) is available at buyer’s cost. Our quality assurance team conducts 100% functional testing before shipment.
Manufacturing & Supply Chain Advantages
Shijiazhuang TJJ TRADE CO.,LTD. operates a foundry that has been in business for over 20 years, covering an area of 15,000 square meters with 150+ skilled employees. As one of the earliest casting factories in China, we combine traditional craftsmanship with modern quality control. Our production capacity for sliding gate locks exceeds 10,000 units per month.
We offer complete OEM/ODM services: you can customize the design, finish, packaging, and even branding. Our engineering team works closely with clients to develop proprietary locking solutions. Typical lead time for standard products is 20–30 days after order confirmation; customized orders require 35–45 days.
- MOQ: 500 pieces for standard models; 1000 pieces for custom designs
- Packaging: Industrial cartons with foam inserts, or custom blister packing for retail
- Logistics: FOB Tianjin or CIF to major US ports (Los Angeles, New York)
- After-sales: 12-month warranty against manufacturing defects; technical support via email/WhatsApp
Application Scenarios & Comparison
Our sliding lock gate is suitable for a wide range of environments:
| Application | Recommended Model | Why Choose TJJ |
|---|---|---|
| Private residence / garden gate | Standard single deadbolt | Cost-effective, aesthetic finish |
| Commercial property / parking lot | Heavy-duty double deadbolt | High security, corrosion resistant |
| Industrial warehouse / factory | Customized heavy-duty with master key | Tailored to access control needs |
Compared to typical gate locks sold by home improvement stores, our sliding lock gate delivers industrial-grade durability at a factory-direct price. See the comparison below:

| Feature | TJJ Sliding Lock Gate | Standard Retail Lock |
|---|---|---|
| Material | Cast iron / ductile iron | Zinc alloy / pressed steel |
| Corrosion resistance | Powder coat + galvanized options | Paint only, prone to rust |
| Price per unit (FOB) | $3.50 – $8.00 | $12.00 – $25.00 |
| Certification | ISO 9001, CE, FCC available | Minimal or none |
Trust Endorsements & Real Customer Feedback
Don’t just take our word – here’s what buyers say about our sliding lock gate:
Mark Thompson – Import Manager, USA
“We’ve been importing gate hardware from China for 5 years. TJJ’s sliding lock gate is the best we’ve tested in terms of consistency. The zinc plating is excellent, and the key mechanism works smoothly even after 10,000 cycles.”
Linda Chen – Brand Owner, Canada
“We needed a custom finish to match our luxury gate line. TJJ’s OEM team delivered samples within 10 days and the final production was spot-on. MOQ of 500 was manageable for our test run.”
James O’Brien – Wholesaler, UK
“Fast shipping and good communication. They helped us with CE documentation, saving us weeks of delay. The locks are heavy-duty, perfect for our commercial projects.”
Robert Kim – Sourcing Agent, Australia
“I audited TJJ’s factory personally. The foundry is well-organized, and the workers are skilled. Their sliding gate lock is now a standard component in our catalog.”
Meet the Author
This article was written by John Miller, Senior Sales Engineer at TJJ Iron Castings with 15 years of experience in gate hardware and metal casting. John has helped over 200 overseas buyers select the right locking solutions for their projects. He regularly visits the foundry floor to ensure product quality matches client expectations.
Ordering Information & Contact
Ready to source your sliding lock gate from a reliable Chinese manufacturer? Here’s how to get started:
- MOQ: 500 pcs (standard), 1000 pcs (custom)
- Lead time: 20–30 days (standard), 35–45 days (custom)
- Payment terms: T/T, L/C, Western Union (30% deposit, 70% before shipment)
- Shipping: FOB Tianjin, CIF major US ports – we handle all documentation
- Samples: Available at cost (refundable for bulk orders)
Contact us today for a quotation or to discuss your project requirements:
Tel: +86-15511680668
WhatsApp: +86-15511680668
Email: sindyhao2014@163.com
Address: Shijiazhuang, Hebei Province, China
Website: www.tjjironcastings.com
Call to action: Send us your gate specifications for a free design consultation and competitive quote. We partner with you from design to delivery.