O Chemwin o se kamupani fa'atau oloa vaila'au i Saina, o lo'o i totonu o Shanghai Pudong New Area, ma le taulaga, uafu, malae va'alele ma nofoaafi felauaiga feso'ota'iga, ma i Shanghai, Guangzhou, Jiangyin, Dalian ma Ningbo Zhoushan i Saina, fa'atasi ai ma faleteuoloa vaila'au ma mata'utia, fa'atasi ai ma le tausaga atoa e teu ai le gafatia o le sili atu i le 50,000 tone o vaila'au fa'atau oloa.
Faatasi ai ma le atinaʻeina o le galulue faʻatasi ma tagata faʻatau i le lotoifale ma fafo i Saina, ChemWin ua oʻo mai i le taimi nei ua faia pisinisi i le sili atu i le 60 atunuu ma itulagi e aofia ai Initia, Iapani, Korea, Turkey, Vietnam, Malaysia, Rusia, Initonesia, Aferika i Saute, Ausetalia, le Iunaite Setete faapea foi ma le Iuni a Europa ma Asia i Sautesasae.

I le maketi faava o malo, ua matou faatuina mo se taimi umi ma mautu sapalai po o le lala sooupu pisinisi sootaga ma super multinational kamupani kemisi pei o Sinopec, PetroChina, BASF, DOW Chemical, DUPONT, Mitsubishi Chemical, LANXESS, LG Chemical, Sinochem, SK Chemical, Sumitomo Chemical ma CEPSA. O matou paaga faʻapitonuʻu i Saina e aofia ai: Hengli Petrochemical, Wanhua Chemical, Wansheng, Lihua Yi, Shenghong Group, Jiahua Chemical, Shenma Industry, Zhejiang Juhua, LUXI, Xinhecheng, Huayi Group ma le faitau selau o isi vailaʻau tetele i Saina.