Laryngeal hoops are relatively small and of very little value, but the effect of laryngeal hoops is huge.

time:

2016-08-15

Classification throat hoop is mainly divided into British, American, German three kinds, in addition to the control of European standard throat hoop and other derivative products. American standard throat hoop American standard throat hoop British throat hoop: material for German standard throat hoop German standard throat hoop iron surface British standard throat hoop British standard throat hoop galvanized, commonly known as iron galvanized, moderate torque and cheap price wide range of application. German-style throat hoop: the material is galvanized iron surface, its buckle distance for stamping forming torque, the price is moderate and high, restricted by the high cost of the production link, low market share. American throat hoop: divided into iron galvanized and stainless steel two main difference is the buckle distance for perforated (that is, through the eye buckle) on the market to stainless steel material, mainly used for auto parts and other high-end market price is higher than the other two.

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