Document Number:BBK-DVP-2026-101 Preparation Department:Production Technology Department Prepared Date:January 2026 Effective Date:January 2026 Scope of application:Daily maintenance, inspection, and emergency handling of nitrog…… [详情]

In mold design and manufacturing, the core differences between ISO international standard type and super high pressure type nitrogen gas springs mainly lie in performance parameters, structural design and application scenarios. The followin…… [详情]

小小一颗气门芯，国外对中国封锁一直存在，科技在大多数科学之心中是无国界的，可以经济、政治操纵下就不一样了，中国要实现现代化必须告自己，自力更生，艰苦奋斗。 气门芯密封圈硫化后与硫化前对比还是有明显不一样，不易刮伤、脱胶、变形等问题，性能…… [详情]