The trademark of Su 'er gas stove is opaicn brand. Opaicn is a regular brand protected by the official certification law, and it is genuine. Opalcn is a Supor brand gas stove. It is a product of Zhejiang Supor Co., Ltd., which was established in July 1998 and located in Damaiyu Economic Development Zone, Yuhuan City, Zhejiang Province.