... 1, Locked system: Down Lock (screw lock), up lock (left-right Lock) 2, Basic size: Φ24/410; 28/ ... team, mould design and quality checking system are prepared for us. Annual production is 400 million pieces.7,We ... you!NameMaterialNameMaterialSPRING304 STLACTUATORPPDIP TUBELDPESTEMPPPISTONHDPECHAMPLEPPBALLGLASS/STLGASKETPECLOSUREPPHOUSINGPP Aluminum switch pump left right lock for cosmetic oil YH-SL03