Sino Stone is an quality supplier of welding stud & stud welder in China, with about 30 years exporting experience. Choosing Sino Stone, you have chosen quality and trust.
Sunday, August 7, 2016
Factory Production Control(FPC) Certificate
Factory Production Control system will ensure that the products placed on the market conform to the declared performance characteristics.
More information, pls see the link: http://www.sinostoneltd.com/factory-production-control/
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