
Gas Spring Calculator/Lift Strut for Massage Chair/Hydraulic Cylinder for Office Chair. Certified Quality Standards: Passes TUV Certificate and SGS BIFMA Standard for reliability. High Fatigue Resistance: Passes 8,000 times fatigue test for long-lasting performance. Flexible Customization: Supports OEM/ODM, full customization, and minor customization. Fast Sample Delivery: Some samples are free; quick delivery for 300 pcs in 7 days. Versatile Application: Suitable for massage chairs, sofas, beds, tables, doors, and furniture. Competitive Pricing: Offers competitive prices with quick delivery options. Comprehensive Warranty: Provides 3-5 years warranty for peace of mind. Professional Support: Factory visits welcome and dedicated technical support available.