Qingdao Zhiteng Technology Co., Ltd. was established in 2007. It is a high-tech enterprise specializing in expanded polytetrafluoroethylene molecular membranes. The e-PTFE aerobic composting membrane developed by the company in 2009 fills the gap in this field in China and has won A number of invention patents, its deodorizing efficiency and service life have far exceeded the international similar products. So far, Zhiteng Technology is the only company in my country with this core technology. It was established in 2015 with Harbin Institute of Technology, China Agricultural University, and Shanghai Municipal Design Institute The "production, study and research" compost membrane research base laboratory, organically integrates R&D, production, and market, so that the company has room for continuous improvement, and its products and technology are always in an international leading position.

Zhiteng Technology's aerobic composting film covering system has the characteristics of low investment, low energy consumption, simple operation, maintenance-free, and high product quality, and has been widely used. Up to now, nearly 600 sets of projects have been used nationwide, including 5 county-wide manure treatment projects, 8 large-scale sludge projects, 35 organic fertilizer projects, and 8 cattle bedding projects.