is a new type of fast-connecting fittings launched in the middle of 2018 after 3 years’development. The features of Tisso are outstanding-double lock, double seal, safe and leak proof; easy to install, labor-saving, only 5 seconds to complete a connection. Tisso have obtained the inspection report of the national laboratory.“5000 circulation test with cold and hot water” is the key standard for ensuring the safety, durability and leakage prevention. Tisso fittings also have obtained domestic and foreign patents.

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