tpo waterproof coil has passed the certification of national testing department

In 2024, the thermoplastic polyolefin TPO waterproof coil produced by our company was sent to the national authorities for type test. The national quality inspection department has tested the appearance, size, tensile property, low temperature bending, impermeability, heat treatment size change rate, tearing strength, thermal aging, and chemical resistance of the product. The tpo waterproof coils produced by our company have reached or even exceeded the national standards in all aspects! On March 27, 2004, the national quality inspection department officially delivered the quality inspection report on the tpo waterproof coil produced by our company, and the tpo waterproof coil produced by our company was recognized by the national quality supervision and inspection department!