Jinan Realong Hardware Co., Ltd. was founded in 1998, specializing in researching, developing and manufacturing door and window hardware. Our principle activities include mould making, UPVC, aluminum and wood door & window hardware. The brand RL hardware was established in 2001. Through years of development, RL hardware has established itself as one of the most renowned brand among the construction field.RL is located in Lashan industrial park, Jinan, covering a vast area of 10,000 square meters, among 6,000 square meters of workshop. At present, RL has four branch companies: casting...