Zhejiang Youtaike Fire Equipment (浙江优泰克消防设备), trading as UTEC, is one of the largest Chinese-owned sprinkler head manufacturers, running a fifty-thousand square metre plant at Zhuji with around four hundred and thirty staff. It holds two UL Listing files under CCN VNIV, Sprinklers Automatic and Open — EX28196 and EX27060 — covering pendent, upright and sidewall heads from the K5.6 family upward, with the K5.6 listing obtained in 2018. The range extends to deluge and foam extinguishing systems and fire water-supply equipment, and the company sits on the board of the International Fire Suppression Alliance.