Started off first with a mission to excel in the Crown Wheel industry we have a great deal of experience in the delivering the finest quality crown wheel and pinions. Shanghai Ruizhan Industry Development Co., Ltd. was introduced in as Retailer and Retailer of Crown Wheel, with investing in as initial business capital. Sourcing finest quality raw material and housing skilled workforce led us to capturing a good proportion of consumer market based on Australia,Bolivia,Switzerland,Chile,United States market share, enabling us generate of annual revenue. Our production facility is situated in Shanghai, Shanghai, China, operating under . For best in class Crown Wheel production and export across different region we hold 2020 Years of export history, catering to US$2.5 Million - US$5 Million export ratio.