Descripción del producto

3 3/4  inches flange suitable for the torsion spring with *4mm inner diameter

Material:Aluminum

Hefei Wang QinSpring Co., Ltd. was founded in ***6, is located in one of the National Garden - Hefei City, Anhui province. We professionally produceall kinds of luxury garage doors, industrial doors, shutter doorsinmatching torsion springs andtension springs. In addition,we are also supporting the production with all kinds of flange, steel wire wheel,and a variety ofother accessories, etc..

Since the establishment of the company, the introduction of spring research, design of outstanding talent,focus on designing and producing automatic door balance system spring.With professional producing and testing equipments, from selecting ofmaterial properties to designeach door springto match, controlling the production quality strictly until after-sales service,All reflect Qin Yong Spring Factorysenterprise spirit " Moreexcellence,Quality first,All satisfy customersrequirements.

Our companys springs have the good quality ,accurate design and advanced processing technology. So in the case of without loaded motor(or power cut), our spring still can maked the door relaxed open toreachmanual effect. In the case of loadedmotor, it canreduce the motorworking load, prolong the service life. Ourcompany's products havea good reputation at home and abroad,and become the first choiceat home and abroad enterprises..

 Our company adhere to "customer first, quality first, reputation first" for the enterprise management concept, and sincerely hope the majority ofdoorenterprises  cancooperate anddevelop in common.