Shanghai Science and Technology Museum
El Palacio de Hierro Annex Project, Mexico City, Mexico (2014)
Epoxy Coupler(anti-rust)
Reducing Coupler- Upset forging type
Adding length Coupler-Rib Peeling Type
Rib Peeling and Rolling Thread Coupler
Standard Cold-Swaged Steel Coupling Sleeve
Passed Anti-seismic, Fatigue, and 0.1 Slip tests