door hardware sourcing
レバーハンドルとプルハンドル：それぞれのドア用途に最適なのはどちら？
Lever or pull? Compare both handle types across hinged, sliding, pocket, entrance and high-traffic doors, with the latch, clearance, fixing and exposure checks buyers need.
ドアハンドルとロックの互換性：予約注文前の確認事項
A buyer's checklist for matching door handles to locks: backset, PZ, spindle, fixing centres, handing and return spring, with RFQ fields and sample tests.