Founded 20-plus years ago, Sheng Jen is a specialized developer and maker of bicycle repair tools. To meet the increasing demand in fast-growing markets, we regularly introduce new items of guaranteed quality, innovation and practicality, which have helped us to earn praise from customers at home and abroad. Besides filling OEM and ODM orders, we also develop multifunctional hand tools under our own SHENG JEN brand. Our products not only effectively raise efficiency at bicycle assembly plants by lowering production cost, but also allow professional and amateur riders to easily handle DIY repai ... {read more}