1. Nitrogen gas springs can be roughly divided into four categories according to its basic structure： ISO International Standard Type ISO nitrogen gas spring are the most commonly used typical types of nitrogen gas springs. All technical parameters comply with the ISO11901 gas spring international standard; B-type gas springs also comply with FORD-WDX3560 (Ford), GM-M-150 (General) and Renault (Renault). ) And other company's nitrogen gas spring standards. Compact Structure Type The compact structure is also called J-type nitrogen gas spring, which is one of the series of nitrogen gas springs. The full name is J-type compact nitrogen gas spring. The J-type compact nitrogen gas spring is a type that is popular among mold designers. Compared with the B-series nitrogen gas spring, it has a shorter cylinder base length, so the total length is also shorter, which can reduce the design height of the mold. It is a special nitrogen for molds. One of the preferred varie...