Established in 1955, Rung Fung Hardware & Spring Co., Ltd. specializes in manufacturing and marketing springs, die springs, extension springs, steel wires and related products.Steadily concentrating on improvement in production technology and product standardization over the past five decades, the veteran manufacturer has built a high profile among buyers for its extensive know-how, production capability and thoughtful services that help build clients’ businesses, with products marketed under the “RF King’s Spring” brand worldwide.The company offers springs in more than 10,000 specification ... {read more}