華魯
UBE INDUSTRIAL LIMITED
SUMITOMO CHEMICAL ASIA
SK CHEMICALS CO., LTD.
RELIANCE INDUSTRIES LIMITED
PTT PHENOL COMPANY LIMITED
POLYPLASTICS TAIWAN COMPANY LIMITED
OQ CHEMICALS
MEGLOBAL ASIA LIMITED
LG CHEM (TAIWAN) LIMITED
KUMHO P&B CHEMICALS.,INC.
INNER MONGOLIA YETAI CHEMICAL CO.,LTD.
