The WANGYUANJI brand was founded in 1641, the Shunzhi period of the Qing Dynasty. It’s excellency in advanced smelting techniques and reputation for superior quality has made it China’s top of the line iron wok manufacturer for almost 400 years.WANGYUANJI’s craftsmen have humbly and determinedly followed its discipline in carefully selecting raw iron material and fine tuning high density smelting techniques for several hundred years. Using 100% natural materials makes its wok durable and long lasting for generations. It is non-sticky and makes less smoke when cooking.The ancient craftsmanship technique of using SONGYAN powder as a demoulding agent in the casting process with the 1800°C degree temperatures generates the ingenious Turtle-shell texture, creating a non-stick layer on the surface, even after it is well seasoned.Easy maintenance due to its solid turtle-shell texture, scratch resistance (metal utensil safe) that won’t leave any scratches from normal usage, and can be cleaned with any home cleaning supplies including metal brushes and steel scrubbers.Cast iron can conduct heat evenly across the wok and is excellent in heat preservation. This feature brings this cookware the outstandingly versatile cooking capabilities for Deep Frying, Stir Frying, Boiling, Steaming and Stewing.