How about Cangzhou Zhongnan Hi-Tech Haigu Protective Products Factory?

Okay. According to the official website of Cangzhou Haigu Safety Protection Technology Co., Ltd.

1. Cangzhou Haigu Safety Protection Technology Co., Ltd. has been taking root in the Lion City for more than ten years since its establishment in 2012. It is a company that combines its own original brand with independent research and development of core technology. OEM (Original Processing) product authorized production, an enterprise specializing in creating safety protection products.

2. It has Wanping factory buildings and office areas, independent production, and combines production and sales. It has successively obtained LA, 3C, and CE professional certifications in the industry. It is the first domestic company to use food-grade liquid silicone materials to manufacture a full range of face masks. The manufacturer is the first domestic manufacturer to realize full-color intelligent alarm and working status display for long-tube respirator electric blowers, leading the technology industry.