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No. 7, Qinghu Road, Qinghutou, Tangxia Town, Dongguan, Guangdong, China (Mainland)
Customized tension spring with yellow zinc plated,Tension spring for sports equipment, US $ 0.03 - 0.05 / Piece, Guangdong, China, SX, SX03-SP-005.Source from Dongguan Shuangxin Industry Co., Ltd. on Waimaotong.com.