... sale service; 3.OEM and ODM are welcome. heavy duty square zinc alloy padlock 1. Material: zinc alloy2. Packing: ... 70mm7. OEM and ODM are welcome.Pujiang Tieli Lock Factory is a large manufacturer of padlocks, locks and blank keys, located ... padlocks, waterproof padlocks, rectangular padlocks, disc padlocks, laminated padlocks, square padlocks, hammer padlocks, camel padlocks, lock cylinders and so on ...