Spring type used for different dimension steel rolling door 45# 55# 65# 75# 80# ABOUT ETDOOROperating since 1998,we ETDOOR,are a fast growing company specialized in the production of door openers,door components and full set of sectional doors.We have exported our products to...

For surface treatment,we have galvanized and electro-coated method to prevent corrosion. We manufacture and supply many kinds of springs with good quality and meet with the DIN standards.We exports 500 tons each month. ...

Spring,galvanized,ungalvanized,various types,3000mm length, 3150mm length,etc.available to be cut into required length. 1.Spring,torsion spring,tension spring2.Many types to meet different requirements,3.Galvanized,4.Ungalvanized.5.Can be used to garage doors,roller doors ...

For surface treatment,we have galvanized and electro-coated method to prevent corrosion. ABOUT USOperating since 1998,we ETDOOR,are a fast growing company specialized in the production of door openers,door components and full set of sectional doors.We have exported our products to...

Galvanized spring wire, torsion springs, according to DIN 17223. ABOUT ETDOOROperating since 1998,we ETDOOR,are a fast growing company specialized in the production of door openers,door components and full set of sectional doors.We have exported our products to over 30 different...

For surface treatment,we have galvanized and electro-coated method to prevent corrosion. We manufacture and supply many kinds of springs with good quality and meet with the DIN standards.We exports 500 tons each month. ...