... years experience 4,20000 cycles a year 5,OEM welcome N-2 lock gas spring Xiongfeng is a leading manufacturer of ... in China with 10 years experience. Below are our product 's features:1, available in aircraft2, maintenance free3, surface finish: Nickled ... , chromed-plate, powder paint, oven paint, Galvanized, oil anti-rust, etc.4, material: steel, aluminium and plastic5, guarantee:20,000 cycles ...