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    About us
    HARD SPRING is known for product durability and adaptability for more than 13 years.. Spring are available in various forms presently. Torsion springs, compression springs, coil springs, extension springs, garter springs, antenna springs, assembly springs and other specialty springs are found widely in every field.
    compression spring is a coiled spring used as a component in the manufacturing of mechanical devices including, car valves and suspensions, electric switches, toy motors, pens, bed mattresses and compact disc players.
    Extension springs are typically made with initial tension, which forces the coils to press against each other in the unloaded position. One character for extension springs is that hooks on their ends to attached them to the application,it is easy to recognized. Various hook styles and configurations are available depending on the particular application that customer used.
    Torsion spring ,the coils wind into an increasingly tight spiral when a twisting force is applied. And it is also easy to tell from other springs.
    Wire -forms prings are made from wire that is shaped into parts with precise dimensions. There are many variations in the design of wire form springs. Custom wire forms are manufactured in a variety of shapes to perform specific, as well as multiple functions. Providing existing or advanced product application designs for our factory then we will offer you details.
    Precision CNC Machining
    Multi-axis machining is the capability for a work piece to be turned, cross-drilled, milled and engraved all in the same machine. An additional spindle also allows work on the back side of a part to be performed.
    We pay much attention to quality and environmental. HARD SPRING has been certified to comply with the quality and environmental requirements of ISO 9001:2000 & ISO 14001.
    Any inquiry about any type springs and Custom machined Parts, please contact us freely.We will reply you within 24 hours. we are committed to exceeding our client’s expectations by delivering the best products, pricing and service.
    Our price will be quoted within 24 hours after we get your inquiry with detailed informations.Such as drawings, material,technology specification,surface treatment,quantity etc.
    Our Payment Term
    L/C, Paypal, Western Union, or 30% pre T/T as deposit, the balanced paid before shipment.
    Company Value
    We treat our customers and each other with dignity and respect. We strive to develop long-term relationships for mutual growth and profitability for our customers and employees.
    Why choose us
    1. 13 Year Professional Machinery Developing and manufacturing experience.
    2. fast delivery time after order confirmed.
    3. Experienced professional IQC,PQC,OQC quality system.
    4. High advanced testing equipment for high precision.
    5. Always Abide by IS09001-2008 Certification .Torsion Small Zigzag Spring

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