... , transparent dustproof seal4.Chrome, zinc or nickel plating available 5.Matches with different fittings such as swivel, fixed , double brake ,threaded ... , display racks, general usage in market, etc. 8.Caster with or without brake available 9.Assorted colors (optional)10. Complies ... which is located in Yangjiang city, Guangdong of China, with 168,000 square-meter beautiful scenery factory.We pay great ...