The customers let YongSheng constant force spring top sales
    What is the reason let constant force spring top sales? It is in the back to Chengdu WangHai purchase Constant Force Spring again. Chengdu WangHai Industrial Co., Ltd. is a company specializing in the development and production of household appliances enterprises. By the end of April , Miss Zhao has purchase 50000 PCS of Constant Force Spring, and yesterday we received their orders again, this time they have purchase more then 700,000 PCS; and we know our products is good for their demands, so this a one-time they have orders for the four season.

 Constant Force Spring as a parts of the products , but it is a critical component to the products quality, it is must have been tested, in particular efforts to test and life testing, It is selection of imported high quality stainless steel SUS301, and not only elastic stability, life testing but also up to 50,000 times. YongSheng is a let your trusted products.