torsion spring hinge

Specifications

self closing door hinge

Detailed info

Product advantages:

1. Strengthened adjustable screw can widen the adjustable ranges and lengthen using life.

1. Widening manganese steel spring can disperse force when the door hinge closed. Strengthened spring is 2.5mm thick, while the thickness of normal ones is 1.5mm.

       3. Adopting advanced hydraulic system, longer life time and smaller volume.

Why do you trust us?

1. Running business is as important as being an honest man. Therefore, honesty always comes first. Many clients have hesitation to choose suppliers on internet, because they are suspicious of the on-line suppliers’ honesty. Kingwen Liang is the leading figure of hinge-slide blog marketing, who owns “hinge expert explaining hinge” and “learning slide from expert” special columns, which catch the eye of many hinge-slide industry veterans, publishes several hundreds of industry related articles, which offer industry insiders and customer lots of valuable reference resources to learn more about marketing and installation and use of hinge and slide.

2. It’s another challenge for on-line supplier that customers will wonder if the supplier is an agent or manufacturer, can we get the door hinge and slide with super quality and competitive price. Kav international Wantong factory is one of the earliest hinge-slide factories in China. In 1981, we started producing door&window hardware, window slide and electro plating. In 1991, we tried to focus on the research and development of powder coating slide. In 1995, we began to pay attention to the research and development of ball bearing slide, becoming the first Chinese factory which produced ball bearing slide. In 2000, we concentrated on the research and development of concealed hinge. In 2003, we were centered on the research and development of concealed slide. In 2006, we centered around the research and development of damper and launched soft close slide, double wall drawer slide and self closing door hinge . Our product has passed the international quality certification, SGS. What’s more, our products are exported to more than 100 countries and districts. If you want to know more about us, please review our company’s website:

3. Besides, there are more reasons you can trust us: several decades’ rich experience, launching market-oriented and high cost effective product, strong e-marketing promotion, lifetime warranty, perfect after-sale service, etc.

Kindly Reminder:

PAYMENT & SHIPPING & RETURN POLICY

More information:

1. If you want to know more about our door hinge and slide or watch video for installation, please check our company’s website:

2. If you want to download our e-catalog, please check this link: /catalogue.html