Established in 1985, Hengda Die-Casting Lock Company is one of the leading providers of door locks and hinges for electric cabinets, office appliance and file cabinets. Our Youheng brand products are widely used for different kinds of distribution rooms for power stations and factories, controlling switchboards, outdoors high (low) voltage electric cabinets with dirt and water proof, drawer lock and interlock. With powerful sales network, our products are popular among our customers all over the world.