Shenzhen Nanjing Technology Co., Ltd. (深圳市南晶科技有限公司) is a company that was founded in 2002 (although their website states 2003) in Shenzhen, mainland China, and that mostly develops Chinese-language turn-based RPGs for the Famicom. They are one of the only Famicom pirate developers known to still exist, along with Waixing.