Shanghai Lidun Package Material Co., Ltd. Corporation Limited Liability Company started off as a leading Manufacturer and Retailer of Self Opening Square. Since inception, our production facility has marked perfection in terms of quality and reliability of Self Opening Square, delivered worldwide. Shanghai Lidun Package Material Co., Ltd. was inaugurated back in 2000 with US$1 Million - US$2.5 Million initial business capital, holding export history over 20 Years .Construction equipment and material demands finest quality in terms of make and aesthetic appeal and by successfully complying with industrial demand we have reached More than 6 Million US Dollar annual revenue and Australia,Canada,Mexico,Sweden,United Kingdom,United States export market share. We take pride in our credibility, operating with a Third Party in BEIJING, , China.Our corporate venture follows strict quality control procedures, thanks to state of the art equipment and skilled professionals. With years of experience we have mastered the art of developing finest quality products with sourcing raw material that guarantees reliability and years of service. For product queries and pricing details contact Angel.