Third party quality test is to make sure that the quality test on twin screw extruder machine is more objective and the product quality is more credible. Authoritative third parties have been invited to conduct quality tests and certificates have been obtained. You may find them on the official website. The quality certificates are strong evidence about the company's capability. They are solid foundation for the business development in domestic and foreign markets.

Being one of the most competitive companies specializing in the R&D, design, and production of twin screw extruder machine, Nanjing Tengda Machinery Co., Ltd. is widely accepted. TENGDA provides a wide range of Screw elements for customers. All of the textile fibers used in TENGDA twin screw extruder machine are carefully screened. Any harmful chemical substances such as formaldehyde and plumbum will be weeded out by the QC team. Dehydrating food by this product provides people with a safer, faster, and time-saving diet choice. People say eating dehydrating food reduces their demand for junk food.

We are committed to limiting the environmental impact of our activities. To ensure a high level of environmental safety and prevent pollution, our operational directives are based on the most stringent global standards.