Our advantages are as below:1、5 production bases in China, with a daily capacity of 10 million pieces of poly mailers.2、We Manufacture the full process, from Raw materials to finished products, no outsourcing, minimize your cost 3、Our factories have more than 500 advanced machines, for high efficiency 4、Over 10 years experience, offering you more professional service. 5、ISO, SGS, ROHS FSC certified company, National CNAS certified laboratory, for quality guaranteed 6、Partner of DHL, UPS, FEDEX,JAPAN POST ,Amazon, Alibaba etc worldwide famous brands. 7、Wide range of products available, giving you one-stop service, and saving shipping costs. 8、Member of setting the National Standards of Express packagings in China