About Zhejiang Putian Integrated Housing Co., Ltd Established in 2003, Zhejiang Putian Integrated Housing Co., Ltd. (PTH) is a leader in the steel structure industry. Certified by CE, BV IFA & ISO9001 systems, we can design and manufacture all types of steel structure houses or buildings to meet your personal or business needs.Selling Categories- Access Control Systems & Products >> Construction & Real Estate Keywordssteel storage containers, cool room container