We e-sun industrial co., ltd. are one professional supplier of security seals in china since 2003.along with our hard-working and continuous development, we have gradually matured. in 2006, we renamed our company into e-sun industrial co., ltd in hong kong, which is known as pearl of the orient. after years of developing, we have already set up our production plants separately in the north of china and the south of china to meet the rapid developing demands. at the same time, we established our research & sales center in guangzhou. and we have also being built a perfect company system with integration from r&d to production and marketing, which can provide various kinds of security seal products to the industry fields of railway, road, port, voyage, petroleum, chemical, electricity, post etc... our products meet the iso/pas 17712 international standard and enjoy high reputation in domestic and overseas markets with reasonable price and reliable quality.the worthy service we offer brings you reassurance and value. we believe in:credit + quality + service = value value creates future!