AD Star Bags & Block Bottom Valve Bags Manufacturer in Vietnam

BigB is a leading Vietnam-based manufacturer of AD Star bags, block bottom bags, and block bottom valve bags, supplying high-strength packaging for cement, construction materials, chemicals, and industrial products. Our PP woven block bottom bags are designed for superior durability, excellent stacking performance, and efficient automated filling.


⭐ What Are AD Star Bags / Block Bottom Valve Bags?

AD Star bags—also known as block bottom bags, block bottom valve bags, or PP woven cement bags—are produced using laminated PP woven fabric and advanced heat-sealing technology.
This construction creates a brick-shaped, leak-proof, and extremely durable industrial packaging solution, ideal for high-speed filling lines.

These bags are widely used as cement bags, chemical bags, powder packaging bags, and other bulk industrial sacks.


⭐ Advantages of AD Star / Block Bottom Bags

Our block bottom valve bags offer significant benefits:

  • High tensile & burst strength

  • Excellent shape and stackability

  • Reduced product leakage

  • Water & moisture resistance

  • UV-stabilized and outdoor-friendly

  • Efficient on automatic filling machines

  • Lightweight yet extremely durable

These characteristics make AD Star bags the preferred solution for cement manufacturers and industrial exporters.


⭐ Types of Block Bottom Bags We Manufacture

✔ Block Bottom Valve Bags

Ideal for cement, chemicals, minerals, and fine powder materials. Available in top valve or bottom valve designs.

✔ Block Bottom Pinch Bags

Heat-sealed edges for improved sealing and protection.

✔ BOPP Laminated Block Bottom Bags

Enhanced printing quality for fertilizer, pet food, and retail-style packaging.

✔ Micro-Perforated Block Bottom Bags

Perfect airflow for powder filling lines, preventing bag swelling.

✔ Single or Double-Layer Laminated Bags

Extra moisture protection for sensitive materials.


⭐ Key Features of BigB Block Bottom Bags

  • Strong PP woven fabric laminated with high-quality film

  • Leak-proof construction using heat-cut technology

  • Perfect brick-shaped form for stable pallet stacking

  • Available with anti-slip coating

  • High-speed performance on automatic filling systems (FFS)

  • Custom sizes, valve types, thickness, and printing

  • Suitable for packaging from 10 kg to 50 kg

BigB ensures every block bottom bag meets the strictest industrial requirements.


⭐ Applications of AD Star & Block Bottom Valve Bags

Our AD Star bags and block bottom valve bags are widely used for:

  • Cement packaging

  • Construction materials (plaster, mortar, putty)

  • Fertilizer & agriculture products

  • Chemical powders & minerals

  • Resins & plastic granules

  • Industrial powder and granular goods

These bags offer premium protection and consistent performance across demanding industries.


⭐ Why Choose BigB for Block Bottom Bags?

✔ Vietnam’s trusted manufacturer with export experience

✔ Modern machinery for hot-air sealing & lamination

✔ Consistent quality & strict QC process

✔ OEM/ODM customization for global brands

✔ Competitive pricing with fast production lead time

BigB supplies high-quality AD Star bags, block bottom bags, and industrial valve bags used by major manufacturers worldwide.


⭐ Request a Quote

Need durable cement bags, block bottom valve bags, or custom AD Star packaging?
Contact BigB for technical support and competitive quotation.