The raw materials should have the properties that contribute to the overall performance and quality of the product itself and the production process. The raw materials also should not do harm to workers, and damage equipment and the environment seriously during processing. Auto Spring manufacturers should carefully test their raw materials to see if they meet the production requirements and safety and quality standards and if they have the desired properties that benefit the usability and durability of Auto Spring.

Having been applying ourselves into the production of Automobile finishing lathe, Dongguan Yongqiang spring hardware Co.,Ltd. aims to be the leading manufacturer. Yongqiang's custom suspension springs is various in types and styles to meet the different needs of customers. The product is distinguished by fatigue resistance. It has maximum stress which can withstand repeated work or alternating load condition. It, featuring vibration resistance, does not crack easily. This product is not just the stuff to be placed at a space but it actually completes a space. - Said one of our customers. It has been widely applied to medical, automotive, electronics, and other industries.

Stainless steel spring is the cardinal tenet of Yongqiang's operation. Inquire!