Diamond Security Grille | Factory Supplier China

At CHEUNGG STEEL GROUP LLC, we are a professional diamond security grille manufacturer and exporter with over 20 years of expertise in security mesh and architectural grille production. Our factory in Anping, China, is equipped with advanced mesh pressing, cutting, and powder coating lines to produce high-quality grilles for global markets.

We produce:

• Diamond security grilles for windows, doors, and partitions

• Material options: aluminium and steel with durable powder coating

• Custom frame profiles and panel sizes available

• Popular colours: black, white, bronze, silver, and custom upon request

• OEM branding, labelling, and packing for security door manufacturers, grille distributors, and building contractors

Our diamond security grille products are widely exported to Australia, New Zealand, USA, Canada, UAE, and Africa. As a direct factory supplier, we provide competitive prices, strict quality control, and fast delivery to support your security and architectural projects efficiently.

🔹 FAQ 

Q1: What is a diamond security grille used for?
It is used for securing windows and doors in homes, apartments, offices, and commercial buildings while maintaining visibility and ventilation.

Q2: What materials are available for diamond grilles?
We manufacture grilles from high-quality aluminium and steel with powder coating for enhanced corrosion resistance and durability.

Q3: What are the standard mesh sizes?
Standard diamond mesh openings are approximately 70 mm x 50 mm, but customised sizes are available upon request.

Q4: Do you provide frames with grilles?
Yes, we supply grilles with or without frames according to your installation requirements.

Q5: Are your grilles compliant with Australian standards?
Yes, we produce security grilles compliant with Australian and New Zealand standards for security doors and windows.

Q6: Do you offer OEM services?
Yes, we provide OEM & ODM production with customised branding, labelling, and packaging to suit your distribution needs.

Q7: What is your production lead time?
Typically 10-20 days depending on order quantity and specifications.

Q8: Why import diamond security grilles from China?
As a direct manufacturer, we offer factory pricing, high production capacity, and strict quality control, ensuring excellent value and reliable supply for your security grille projects.