... Tolerance:0.5-1mm steel tube used in Chair frame assembly parts Production Description Haiyan Hongtai Metal Products Co.,Ltd. ... …4) usage of products: Furniture fitting, construction hardware , telecom ,auto,machine…5) terms of trade:FOB ,CIF6) terms of pyment ... ; 3. Main products are stampings, furniture hardware, machine part, Auto part,tube bending ,welding part4. Used in the machinery, construction ...