Nanyuan Road, Huzhou City. Huzhou Yuehe Street Shijialong Residents Community Service Society Briquette Distributor, founded in 1981, is located in South Garden Road, Huzhou City, Zhejiang Province. The company sells honeycomb briquettes. Honeycomb briquettes, also known as "coal balls". As the name suggests, it is a fuel made from coal powder in the shape of a honeycomb, hence the name.