Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise

Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise

Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise

Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise

Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise

Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise Shanghai Keyontechs Co., Ltd., established in 1992 and public listed in 2013 (stock code: 430334), is a private high-tech joint-stock enterprise