| Cast Iron Bowls (Our Base) | Restaurants, home dining, outdoor events | - Diameter: 17cm (Industry: 14cm ▲21%) - Heat retention: 2+ hours (ISO 899:2014) - Material: ASTM A247-certified cast iron | ▲13% heat retention over industry standards Heavy-duty durability (5-year warranty) Retains heat for hot dishes | Heavy (3.5kg) Potential rust risk without care Higher cost compared to ceramic |
| Ceramic Bowls (Industry Standard) | Everyday dining, casual parties | - Diameter: 14cm - Non-porous (0% porosity, ASTM C311) - Lightweight (1.2kg, ISO 1032) | Easy to clean Affordable Lightweight for portability | Brittle (risk of breakage) Limited heat retention (1.5 hours) Not ideal for heavy use |
| Stone Bowls (Our Advanced) | Formal dining, high-end restaurants | - Diameter: 17cm - Heat resistance: 400°C (ASTM C648) - Material: ASTM C1260-certified stone | ▲25% heat resistance over ceramic Stylish, elegant design Non-reactive surface | Heavy (4.2kg) Expensive Risk of chipping if dropped |
| Wooden Bowls (Eco-Friendly) | Casual meals, outdoor gatherings | - Diameter: 15cm - FSC-certified wood (PEFC/TC 401) - Lightweight (0.8kg) | Eco-friendly Soft texture for food presentation Low maintenance | Not heat-resistant Requires oiling to prevent cracking Less durable than metal/stone |
| Stainless Steel Bowls | Commercial kitchens, travel | - Diameter: 15cm - Corrosion resistance: ASTM A268 grade 304 - Lightweight (1.8kg) | ▲30% corrosion resistance vs cast iron Easy to sanitize Non-porous surface | Conducts heat quickly (may burn hands) Can dent with heavy use |
| Korean-Style Cast Iron (Our Base) | Traditional Korean dining, parties | - Diameter: 17cm - Korean curvature design (ASTM C393) - Eco-friendly: 30% recycled material (ISO 14021) | ▲20% heat distribution uniformity vs standard cast iron Cultural authenticity Stocked globally (6-month availability) | Heavy (3.8kg) Requires seasoning maintenance Less versatile for non-Korean dishes |