They all have manufacturers of corresponding brands. Haiwan, Xinwo, Lida, etc. are all relatively well-known brands of fire alarm equipment. They have a long history, and the company is strong and has rich experience. Gulf Security Technology Co., Ltd. (GST) is a major fire alarm system supplier in China, mainly engaged in the production and distribution of fire alarm systems. Since its establishment in 1993, through continuous efforts, GST has become the leading brand with the highest market share in China's fire alarm system industry. It is also the only certified "well-known trademark" in China's fire alarm system industry, and has been actively recognized by consumers. Moreover, Gulf fire alarm equipment covers a wide range of products, including fire protection system products, security system products, video intercom system products, automation system products, building and automation control systems, smart instruments, etc. Xinwo is a brand of Shaanxi Xinwo Technology Co., Ltd. Xinwo Technology is located in Xi'an High-tech Industrial Development Zone. It is a high-tech enterprise integrating R&D, production and sales. It is a professional manufacturer of fire alarm electronic products. The automatic fire alarm products produced by it are truly distributed intelligent products that are rare in China. They use ring wiring and the product quality is reliable and stable.