... accessories, couplers, shoring props, fences, ladders, frames, pipes, steel trays, and other related products in Rizhao City, Shandong, China ... 48.3mm or as per your requirements;4. Certifies: BS 1139, EN 74 and ISO 9001: 2000;5. Surface treatment: Electro galvanized ... , Hot dip galvanized, or painted;6. Package: woven plastic bags and steel trays.Main Business:1. ...