CHAOLANG supplies premium stainless steel door hinges with complete specifications for global residential and commercial projects. Our product range covers fire-rated UL & CE certified ball bearing butt hinges,, concealed adjustable hinges and heavy-duty drop-down hinges,all widely compatible with wooden doors, metal doors, fire doors and steel passage doors.

We adopt SUS201, SUS304 and SUS316 stainless steel as raw materials, with optional thickness from 2mm to 3mm and multiple customized finishes including matte black, brushed gold, satin nickel and antique bronze. Equipped with internal multi-ball bearing structure, these hinges deliver silent smooth opening, strong load capacity and extended service life. All items pass fire resistance and durability tests, supporting OEM size, laser logo and packaging customization. Feel free to contact us for bulk wholesale and technical consultation.