| 1. What’s the normal material for spring? |
| We adopt the material in accordance with the customer demands. Generally, the cold drawing rod wire is applicable to the simple springs used in the normal ambient temperature; the oil-tempered chromium-silicon alloy is applicable to the heavy springs and car suspension springs; the stainless steel material is applicable to the strict usage, for example, the special materials, such as tungsten alloy and copper alloy are applicable to the precision springs. |
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| 2. Can you calculate and test the force of springs? |
| Yes, we can. You could give the required specifications and spring drawings to our sales and technical staffs by E-mail, fax or phone, and we would make response through the analysis by professional software and our manufacture experience; the Factory has equipped with the professional testing equipments for diversified spring tests, including spring force test, stiffness test, fault test, fatigue test and salt spray test, etc. |
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| 3. How about the prices of your products? |
| We would like to build the long-term friendly cooperation relationship with its customers with the most reasonable and favorable prices; in addition, we adopt the high-quality material and professional manufacture process. |
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| 4. Is there any process other than coiling of springs in your factory? |
| Except for the professional spring manufacture equipments, the Factory also has other relevant equipments to the spring products, such as oil-tempered line, peening machine, CNC spring grinding machine, setting equipment, spring surface plastic-spray line, paper box packing and export pallet for springs, etc. |
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| 5. How do you guarantee the products quality? |
| The Factory has passed the certification of ISO 9001-2000 Quality Management System, in addition to the standardized manufacture process and quality management, the product quality could be guaranteed. |
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