1. Hebei Zhikai FRP Co., Ltd. Main products: FRP grille, FRP desulfurization tower, purification tower cooling tower, anti-glare board for sign piles. Company profile: Hebei Zhikai FRP Co., Ltd., formerly known as Hebei Ruilong FRP Co., Ltd., is located in Hebei FRP Industrial Park, along the Beijing-Kowloon Line to Zaoqiang Station. The company covers an area of 35,600 square meters, including a building area of 28,000 square meters. Xi antaiyuan environmental protection technology co., ltd. main products: complete sets of sewage treatment equipment, buried sewage treatment equipment, integrated sewage treatment equipment, FRP septic tanks. Company profile: Xi Antaiyuan Environmental Protection Technology Co., Ltd. cooperates closely with many universities and scientific research departments in China, such as Northwestern Polytechnical University, and is committed to the research and development and production of new environmental protection technology products (water treatment and atmospheric treatment). Three, Hebei Gangqi FRP Co., Ltd. sells seven sets. Main products: FRP grille, FRP cover plate. Company Profile: Our products such as FRP grille, FRP cover plate, FRP purification tower and FRP storage tank have won many awards from the Ministry of Construction, the State Bureau of Quality and Technical Supervision and the China FRP Industry Association, and won many patents. The main products of Shenzhen Rongze Energy-saving and Environmental Protection Equipment Co., Ltd.: drainage ditch, manhole cover, water pump and grease trap. Company Profile: Shenzhen Rongze Energy Saving and Environmental Protection Equipment Co., Ltd. is located in Tianan Yungu High-tech Park, Bantian Street, Longgang District, Shenzhen, and is a comprehensive supplier of water supply and drainage equipment and control systems. The main products of Hengshui Shichang FRP Co., Ltd.: FRP grille and FRP septic tank. Company Profile: The company's main products are: FRP biological septic tanks, FRP grilles, FRP septic tanks, various types of cooling towers and the development and research of new energy-saving cooling towers.