Rainbow Precision Metal Limited (Formerly known as Kowloon Metal Spring Factory) was founded in Hong Kong as a professional spring manufacturer. Nowadays, it has become a world leading manufacturer of precision metal components with three factories in Guangdong Province, China.
Coupling advanced technologies and manufacturing facilities, there has been continuous improvement on our processes and systems throughout the years. Until 2020, the total investment amount reached USD 50 million with more than 900 units of machines and about 1100 employees. We provide inbound sales services as well as exporting goods to over 20 countries in the North America, Europe, Asia, Middle East and Australia, etc.
Turning Parts, Compression Spring, Torsion Spring, Extension Spring, Battery Tower Spring, Power Spring, Constant Force Springs, Wire-forming, Precision Stampings, Four Slide Products, Assemblies, Shafts, Fasteners, Machine Screw, Rods, Plastic Injection Parts, Plastic Over-molding