[Joint Filing Agreement [Remainder of this page has been left intentionally blank.] 8 Yin Investment Co., Ltd. Zhe Yin Zhe Yin 9 EX-99.(A) 2 d300306dex99a.htm JOINT FILING AGREEMENT]

[1 Name Of Reporting Person STYLE="font-family:Times New Roman" SIZE="3">Jingbo Wang I.R.S. IDENTIFICATION NOS. OFOVE PERSONS (ENTITIES ONLY): N/A 2 Check the Appropriate Box if a Member of a (a) 3 SEC Use Only 4 Citizenship or Place of Organization The Peoples Republic of China Numberof Shares Beneficially Owned by] [Joint Filingreement STYLE="font-family:Times New Roman" SIZE="2"> STYLE="font-family:Times New Roman" SIZE="2">[Remainder of this page has been left intentionally blank.] 8 Jing Investors Jingbo Wang Jingbo Wang 9 JOINT FILINGREEMENT d300304dex99a.htm 2 EX-99.(A)]

[1 Name Of Reporting Person STYLE="font-family:Times New Roman" SIZE="3">Boquan He I.R.S. IDENTIFICATION NOS. OFOVE PERSONS (ENTITIES ONLY): N/A 2 Check the Appropriate Box if a Member of a (a) 3 SEC Use Only 4 Citizenship or Place of Organization the Peoples Republic of China Numberof Shares Beneficially Ownedby Each] [Joint Filingreement STYLE="font-family:Times New Roman" SIZE="2"> STYLE="font-family:Times New Roman" SIZE="2">[Remainder of this page has been left intentionally blank.] 8 Quan Investment Boquan He Boquan He 9 JOINT FILINGREEMENT d300294dex99a.htm 2 EX-99.(A)]

[1 Name Of Reporting Person STYLE="font-family:Times New Roman" SIZE="3">Chia-Yue Chang I.R.S. IDENTIFICATION NOS. OFOVE PERSONS (ENTITIES ONLY): N/A 2 Check the Appropriate Box if a Member of a (a) 3 SEC Use Only 4 Citizenship or Place of Organization Republic of China (Taiwan) Numberof Shares Beneficially Ownedby Each Reporting] [Joint Filingreement STYLE="font-family:Times New Roman" SIZE="2"> STYLE="font-family:Times New Roman" SIZE="2">[Remainder of this page has been left intentionally blank.] 8 Jia Investment Chia-Yue Chang Chia-Yue Chang 9 JOINT FILINGREEMENT d300308dex99a.htm 2 EX-99.(A)]

[1 Name Of Reporting Person STYLE="font-family:Times New Roman" SIZE="3">Zhe Yin I.R.S. IDENTIFICATION NOS. OFOVE PERSONS (ENTITIES ONLY): N/A 2 Check the Appropriate Box if a Member of a (a) 3 SEC Use Only 4 Citizenship or Place of Organization The Peoples Republic of China Numberof Shares Beneficially Ownedby Each] [Joint Filingreement STYLE="font-family:Times New Roman" SIZE="2"> STYLE="font-family:Times New Roman" SIZE="2">[Remainder of this page has been left intentionally blank.] 8 Yin Investment Zhe Yin Zhe Yin 9 JOINT FILINGREEMENT d300306dex99a.htm 2 EX-99.(A)]