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The material used in the Longstar minion series is 304 food-grade stainless steel inside and outside, and the colors include girly pink, pudding yellow, and smoothie blue.

Longstar Cup Industry - located in Yongkang, Zhejiang, is a medium-sized enterprise engaged in the research and development, design and production of stainless steel cup and pot products, focusing on domestic sales. It is a second-tier brand and mid-range grade.