Jiangsu Tongdong Spring Co.,Ltd established in 1990 is specilized in producting all kinds of stretch accessory, its area over 20000m2，owned modem, first-class producing equipment and strong technology strength, The major product is stainless steel, carbolic steel spring, wring spring, pressing spring and helicoid spring, used for car, electronic tool and motor etc trade, It sold to all the country about 100 enterprises, has won the customer's good favour, The quality of product has been reached the international advanced level, and tested by China Import & Export Community Quality Attestation Center in July 2000, passed the ISO9001:2000 certification.

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