T& Z, an abbreviation of Tsing and Zhongsheng, is an influential brand in the field of Environmental Remediation and Monitoring in China. as a High-tech Environmental Protection Company, it has been committed to provide the solutions for remediation of contaminated soil & ground water for many years.

It was established in 2010 in Nanjing City, after our founder returned from studying in the Unite States, specialized in R& D and producing the Remediation Agent used for Polluted groundwater, landfill, heavy metal pollution field etc.

In 2012, Manager Director Xun Wang, a master of Geologist, joint and set up the factory. We became the first manufacturer who specializes in producing consumables used for Environmental Monitoring and Drilling Industries. Including UPVC well casing and screen pipes, Coreliners, Bailers, Manholes etc.

In 2020, we successfully R& D and fabricated the Electric Instruments for underground water sampling, such like Water Level Temperature Logger, G. W. Sampling....

In 2022, we self-developed Biodegradable Coreliner and gained patent. Our goal is " Do environment protection by the most environmental way"

Till to 2021, we have occupied more than 80% shares of local market. Total annual sales is up to 6 millions US dollars. Our products have mainly been exported to North America, Australia, Southeast Asia and Africa markets. Because of customers' trust, we are more and more motivated to provide the quality products with competitive prices.