We are from China, which enjoys the world’s leading technology in steel coking and a unique advantage in the supply of raw materials. We are located in a city that is one hour’s drive from Beijing and home to a few leading refractory material producers. Being the exclusive agent for a number of major refractory material manufacturers, HengHeng Company is looking forward to serving your need. We trust that, once you get to know us, you will choose us as your most reliable partner. In the p