We are always choice YongSheng to Purchase spiral spring, constant force spring
How many people choice choice YongSheng’s spiral springs, constant force springs? You and I? or them？They have purchased choice our products of the spring fittings manufacturers in oue country. Guangzhou Weifeng Industry Co., Ltd is a specialized in the production of power storage box manufacturers production and they needs to use a lot of spiral spring, constant force spring, due to the need for process and product structure, trying to find a quality spiral spring manufacturers. In August 2007, through the baidu find us and through more than 3 months to the beater, specimen that they are satisfaction about our service and quality of the products, and now , we has been cooperate for many years.