Yintan Seafood Market. If you want cost-effective seafood in Renshan, you need to go to a large seafood market. Among them, Yintan Seafood Market is located in Renshan Town, Huizhou City. The seafood in this market is economical and affordable. The seafood bought by customers is brightly colored and has clear outlines. Renshan Town is located in Huidong County, Huizhou City, Guangdong Province. It is named after the small hills to the east of the town are covered with Ren trees.