Center Enamel provides high-quality sludge storage tanks for more than 30 years

Sludge, a thick soft mud or other viscous liquids is typically the byproduct of wastewater treatment, including industrial wastewater solids and settled suspension from potable water treatment. The sludge often contains various types of pathogens as well as heavy metal contaminants and, in the case of industrial waste, chemical pollutants. At present, only landfill, incineration and fertilizer utilization are effective.

Over 30 years of sludge storage tanks design, manufacture and installation experience, Center Enamel has become the sludge storage tanks industry leader in China and is certified to ISO9001, NSF61LFGB, BSCI and other international standards. And our sludge tank engineers make tank engineering calculation on each specific tank structure according to project local environmental conditions, such as snow load, wind speed, seismic zone etc., to make sure the tank structure's adequate security in long-term service life. Also, our sludge tanks have been exported to more than 45 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. We have the experience and expertise to offer the best solution for your sludge treatment project. Firstly we aim to get an understanding of your business before highlighting which sludge tank would be most appropriate and indeed, beneficial.

We can provide bolted steel tank design service and quotation, Our quoting process is quick. so in the future, if you have a requirement for bolted steel tank, please don’t hesitate to send inquiries on your bolted steel tank projects!

Shijiazhuang Zhengzhong Technology Co.,Ltd is a professional manufacturer dedicated to the design and fabrication of bolted storage tanks since 1989. Our products range includes Glass-Fused-to-Steel (GFS) tanks, fusion bonded epoxy tanks, stainless steel tanks, galvanized steel tanks and aluminum geodesic dome roofs. With professional enameling R&D team and more than 20 enameling patents, Shijiazhuang Zhengzhong Technology Co.,Ltd has become the leader in bolted tanks industry of Asia. Our products are certified to ISO 9001, CE, NSF/ANSI 61, WRAS, ISO 28765, LFGB, BSCI, ISO 45001 and other international standards.

Shijiazhuang Zhengzhong Technology Co., Ltd is not only the first manufacturer in China which produces Glass-Fused-to-Steel tanks, but also the most experienced professional bolted tanks manufacturer in Asia. The engineering & design, product testing and quality system of Center Enamel Glass-Fused-to-Steel tanks is in strict accordance with AWWA D103-09, OSHA, ISO 28765, NSF/ANSI 61, NFPA and other international standards. Center Enamel Glass-Fused-to-Steel tanks are wildly used in drinking / potable water, industrial effluents, municipal sewage, bio-energy, landfill leachate, agriculture and other applications. Until 2023, Center Enamel bolted tanks have been exported to more than 100 countries including USA, Australia, Canada, Malaysia, Indonesia, Russia, UAE, Panama, Brazil and South Africa etc., the superior tank quality and prompt service gains us worldwide recognition.

As an outstanding containment and cover system provider with more than 30 years of experience, Shijiazhuang Zhengzhong Technology Co., Ltd sincerely expects to establish long-term cooperation with the local partners throughout the world and make continuous contribution to the development of the industry.