Shanghai Guanglei Spring Co., Ltd. Since 2005, we've specialized in manufacturing high-precision springs , serving automotive, medical, electronics, and new energy sectors. Why Choose Us? ✓ IATF 16949 Certified ✓ Custom Standard Spring Solutions ✓ Advanced Testing Quality Control ✓ End-to-End Technical Support Innovation. Precision. Excellence.
"This company's custom compression springs for our aerospace components meet 0.01mm tolerances consistently. Their ISO-certified process is unmatched."
Michael Chen
"When our conveyor system failed, Guanglei delivered 500 replacement torsion springs in 72 hours. Their emergency service is a lifesaver! This company saved our production lline."
Emma Rodriguez
"As a startup, we needed low-MOQ prototypes. Guanglei provided free material advice and 10-day turnaround now our exclusive supplier."
David Lim
"2M+ springs annually for our consumer electronics, zero defects since 2024. Their automated QC gives us total confidence."
