The torsion springs is a new design, through excellent processing technology and high-quality raw materials, the performance of torsion springs up to a higher standard. We are perfect for every detail of the torsion springs, guarantee the quality level, so as to bring you the perfect product experience. Dongguan ShuangXin Industry Co.,Ltd is a professional China torsion springs manufacturer and supplier, if you are looking for the best torsion springs with low price, consult us now!