- valley stone prime (nb-630)Large:560mm(l) x 290 mm(w) x 40mm (t)Small:100mm(l) x 50mm(w) x 40mm(t)(packed 2 types at random)Texture and volume reproducing beauty ofThe nature realistically makes us feel an architecture in a city is a part of the natureA. Diversification of products.Maximizing diversity fulfills individuality and Originality.B. Affinity with nature architecture Based on our own developmental capacity, Architectures breath with natureC. Make higher grade of qualityExcels on insulation, inflammability, durability, Soundproof, and sound absorption, Unchanged color doubles architectural beauty.D. Making environment-friendly products.Research to protect various diseases from Environmental pollution.