Center Enamels history of anaerobic digestion (AD) tanks exceeds 27 years, Center Enamel has more than 30 year experiences in glass fused to steel anaerobic digestion (AD) tanks design, manufacture and installation.and now the glass fused to steel anaerobic digestion (AD) tanks have been exported to USA, Australia, Germany, Russia, South America, Asia etcCenter Enamel is a well established, world-leading storage tanks manufacturer in China. Our anaerobic digester tank is also called glass fused to steel tank which is coated with 2 layer enamel, and consist of Enamel sheet, special sealant and Self-locking bolts. To assemble the industrial tanks, we use the self-locking bolt and special sealant to connect the steel sheets. This kind of assembly structure achieved rapid low installation requirements. And according to actual requirements, it can be easily expanded, removed, dismantled. About Center Enamel Center Enamel Co., Ltd is not only the first Glass-Fused-to-Steel Tanks manufacturer and supplier in China, but also the most experienced Glass-Fused-to-Steel tanks manufacturer in all of Asia. Center Enamel Glass-Fused-to-Steel tanks engineering & design, product testing and quality system are in strict accordance with AWWA D103-09, OSHA, ISO/EN 28765, NSF61 and NFPA etc. international standards. CEC Glass-Fused-to-Steel tanks are widely used in drinking/potable water, industrial effluents, municipal sewage, bio-energy, landfill leachate, agriculture etc. applications. Until 2018, Center Enamel Glass-Fused-to-Steel tanks have been exported to more than 60 countries including USA, Australia, Canada, Malaysia, Indonesia, Russia, UAE, Panama, India and South Africa etc. The superior product quality and prompt service gain us worldwide recognition. more info in www.cectank.com