Yung King Hardware Co., Limited Shanghai Yung King Hardware Co., Limited is a professional hardware supplier for case, access doors and electric cabinet industry. Our product includes: straight loop latch, spring loop latch, hooked loop latch, spring hook latch, utility latch, compression spring latch, adjustable latch, wing turn latch, surface mount handle, recess handle and recess catch. We also developed hardware used on access panel. It include hinge and latch for non-rated access panel, lock parts for fire-rated acces...