Is there free constant force spring sample provided?
Some constant force spring items online are marked "Free Sample" and could be ordered as such. Generally speaking, YUAN SINE SPRING ENTERPRISE CO., LTD's regular goods are readily available for free samples. But in the event the customer has some particular requirements such as product size, material, color or LOGO, we shall bill the relevant expenses. We keen for your understanding that we would like to charge the sample cost that will be deducted once the order is supported.
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YUAN SINE SPRING is well equipped to manufacture quality wave spring. YUAN SINE SPRING's custom springs is various in types and styles to meet the different needs of customers. The quality control procedures of YUAN SINE SPRING wave spring are in place to assure that every component is up to exact specifications and tolerances in the rubber and plastic. The product is generally small and made from low-cost materials. As a professional custom springs manufacturer, we has a strong and perfect quality assurance system and good corporate culture. It is a popular choice because of its chemical resistance.

By adopting improved environmental practices, we show our determination in protecting the environment. All of our business activities and production practices comply with environmental regulations. For example, wastewater and gases will be strictly handled before emission.

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