This is to inform you that SEP concern about the presence of 4-NP ( 4-NonylPhenol) & TNPP (Tri-NonylPhenolPhosphite) in the materials that we use for our products and the effect on our customer's products. Nonylphenol is used in manufacturing antioxidant, lubricating oil, additives, laundry and dish detergent, emulsifier, and solubilizers.It can also be used to produce tris(4nonyl-phenyl) phosphite (TNPP), which is an antioxidant used to protect polymers, such as rubber,vinyl, polyolefins, and polystyrenics in addition to being a stabilizer in plastic food packaging. It is requested to ensure that there is no TNPP use in your materials & products which supplying to SEP. Therefore, we need your favorto complete the Survey form as attached file and return back to us within May 12, 2015.