Hamakai GmbH, led by founder Kai Ding, specializes in e-commerce consulting and digital marketing in China, leveraging prior experience from partners like Groupon. The company emphasizes respect, ecology, and engineering in its business philosophy, and offers various services including project management, SEO, and digital marketing for clients. Seekk Technology serves as its operational back office, providing a skilled team to support e-commerce operations and strategy in China.