Products

Assume full responsibility to satisfy all needs of our clients; achieve continual advancements by endorsing the expansion of our purchasers; turn into the final permanent cooperative partner of clientele and maximize the interests of clients for Fast delivery China Hongsheng OEM Iron Stainless Steel Adjustable Gear Shift Torsion Spring Floor Jack Handle Return Spring, Our main objectives are to offer our buyers globally with high quality, competitive cost, glad delivery and exceptional solutions.
Assume full responsibility to satisfy all needs of our clients; achieve continual advancements by endorsing the expansion of our purchasers; turn into the final permanent cooperative partner of clientele and maximize the interests of clients for China Torsion Spring, Handle Torsion Spring, We’ve more than 200 staff including experienced managers, creative designers, sophisticated engineers and skilled workers. Through hard work of all employees for the past 20 years own company grew stronger and stronger. We always apply the “client first” principle. We also always fulfill all contracts to the point and therefore enjoy excellent reputation and trust among our customers. You are very welcome to personally visit our company.We hope to start a business partnership on the basis of mutual benefit and successful development . For more information remember to do no hesitate to contact us..

If your premises require that you have door closers, and you would prefer concealed ones, then floor springs have the edge over conventional versions because they are well suited to pretty much any situation; they are great for full-height or heavier doors, work equally well with single or double-leaf and, best of all – they automatically combine functionality with aesthetic appeal.

Dorrenhaus comprises R&D center, testing laboratory,manufacturing center and sales dept, has over 10 in-service engineers and research specialists. Since it was founded, developing High performance door control products has always been the objective of Dorrenhaus. Dorrenhaus people have continuously tried to improve product quality, introducing oversea high and new technical equipment,giving our company good technical capabilities. Moreover, all of our R&D engineers has more than 20 years experience in door closer industry.

Our value message is QUALITY and SERVICE
10 years of hardware manufacturing experience
Can customized any size and color
Compensation if late delivery or bad quality
Competitive prices
Experienced professionals
24 hours online after-sales service
OEM &ODM offered
We boast our own R & D, production, exports, and logistics team

Floor springs are especially effective for oversized doors—floor-height doors are often too large and heavy for traditional door closers, so floor springs with straps and top pivots are a good option.

Assume full responsibility to satisfy all needs of our clients; achieve continual advancements by endorsing the expansion of our purchasers; turn into the final permanent cooperative partner of clientele and maximize the interests of clients for Fast delivery China Hongsheng OEM Iron Stainless Steel Adjustable Gear Shift Torsion Spring Floor Jack Handle Return Spring, Our main objectives are to offer our buyers globally with high quality, competitive cost, glad delivery and exceptional solutions.
Fast delivery China Torsion Spring, Handle Torsion Spring, We’ve more than 200 staff including experienced managers, creative designers, sophisticated engineers and skilled workers. Through hard work of all employees for the past 20 years own company grew stronger and stronger. We always apply the “client first” principle. We also always fulfill all contracts to the point and therefore enjoy excellent reputation and trust among our customers. You are very welcome to personally visit our company.We hope to start a business partnership on the basis of mutual benefit and successful development . For more information remember to do no hesitate to contact us..