• Environmental protection is Tonglong’s core values

       Tonglong as a company with a sense of social responsibility, we have always adhered to environmental protection policies.Our main product—TPU film,it has simple molecular structure ( including only C.H.O.N ), TPU films doesn’t pollute the air while burning and incinerating and will be degraded...
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  • Why TPU can replace of PVC ?

    As far as we know, PVC has always been criticized because it contains harmful substances. Therefore, a more environmentally friendly and non-toxic new material-TPU was invented by people. What are the advantages of TPU compared to PVC?Let me tell you. TPU Film have simple molecular struc...
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