Kowloon Metal Spring Factory was founded in Hong Kong in 1970 as a professional springs manufacturer. Nowadays, it becomes a leading manufacturer of precision metal components with two factories in Guangdong Province, China. Guangzhou Rainbow Metal Spring Co., Ltd. was established in 1991 and has been continue developing and supplying an extensive range of comprehensive customized items. A series of professional services from design to manufacturing to quality assurance are provided. The major...
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