... 3Certificate:ISO9001:2008,SGS 4We can do by drawings. Hardware different types of connectors Details of the product:1Materials: Carbon steel2Standard: ... , nickel-plating, phosphate black, DACRPO, etc )4Proven technique & good quality.5Packaging: Iron drum , gunny-bag, wooden box, wood pallet , ... 2.From 2006, we have manufactured the products of high speed railway and now they are being used. We ...