... 3.Tolerance:0.5-1mm steel tube used in Chair frame assembly parts Production Description ... )CertificationISO9001-2008Details show Application*Used in the machinery, construction, electronics, furniture, telecoms and related fields.Shipping1.Fede DHL2 ... Used in the machinery, construction, electronics, furniture and related fields; 5. Exported to the United States, Japan,Europe and other countries and ...