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