. A bite of China is one of the most popular TV programs about Chinese cuisine presented by CCTV. And our woks and pans were chosen and filmed by A Bite of China as the 1st episode of season 3. BECAUSE OF OUR HEIRLOOM QUALITY. . <b>ZhenSanHuan</b> owns the patent of ZhangQiu iron wok, hand hammered with Chinese traditional cold working technique. This technique was used to make weapons in ancient history. <p>. <b>Fully hand hammered</b> for 150 - 200 times for each square cm - for optimal heat retention and thorough, even heating. <p>. <b>NO painting, no coating</b> - physical non-sticky to give you a healthy meal. Less oil, less smoke. It is completely safe. <p>. <b>Kitchen Must-Have</b> - varied diameters of stir fry pan to fit your everyday cooking needs and techniques. <p>. <b>Products require seasoning before use.</b> Blue-black wok is pre-seasoned, and you only need to wash it and oil it. For silver woks, you need to season them by yourself. We have a detailed tutorial video and we encourage you to season it by yourself to see the miracle process. . We provide personalization service for free. If you would like to make it special for someone, we will engrave your name on the wok for free. Please choose the product that will be fulfilled by ZhenSanHuan not Amazon, and place the order. Please leave us a message about the name you want to engrave right after placing the order, and we will engrave your name on the wok for free. If the product has been shipped out, no personalization service could be provided anymore. Products that are fulfilled by Amazon cannot be personalized.