Zhongkang 4th Generation Deep Nitrogen Cast Iron Non-Stick Round Bottom Wok, 32cm, No Coating, Rust-Resistant, Suitable for Open Flame and Gas Stove

Nitrogen-oxygen oxidation layer named "Crystal Armor" for rust resistance and wear resistance

National standard 3x rust resistance

National standard Level 1 wear resistance

High-temperature liquid nitrogen treatment at 630°C for ultra-deep nitrogenation

Upgraded reinforced nitrogenation process with dual rust protection

1 micron wear-resistant layer for enhanced durability

Resistant to corrosion and rust under high-concentration saltwater testing (7x24 hours without rust)

Rust-proof expert with triple national standard rust resistance

Wear resistance tested over 15,000 cycles, meeting national Level 1 standard

Rejects traditional "seasoning" concepts; no need for opening or maintenance

Factory pre-cleaned and ready to use immediately upon receipt

Removes iron fishy smell effectively

Traditional craftsmanship combined with advanced iron wok technology

Thick bottom (1.75mm) and thin walls for even and fast heating, reducing smoke and oil usage by 30%

Increased pot depth (103mm) to prevent overflow during stewing and frying

360° full penetration deep nitrogenation for long-lasting rust protection

Rotational pressing anti-slip texture on the bottom to increase friction with various stove types (induction, gas, ceramic, electric)

Pan bottom thickened for uniform heat distribution and non-stick performance

0-sense panoramic standing lid for clear cooking visibility and precise control of juice reduction and stewing timing

Made from imported African Sapele wood with natural oils

Antibacterial and mold-resistant properties

Ergonomic and thoughtful design for comfortable handling

Multiple authoritative testing certifications confirming rust resistance and wear resistance standards

No seasoning or special maintenance required; ready to use out of the box