Cia Minera San GeronimoCoquimbo, Chile
Anhui Huaertai Chemical Co., Ltd.
Asahi Chemical Industry Co., Ltd.
STI Precision Machining (Changshu) Co. Ltd.
Qinghai Salt Industry Co., Ltd.
Shanxi Jiaocheng Hongxing Chemicals Co. Ltd.
KWO Kunststoffteile GmbHBaden-Wurttemberg, Germany
Nanbu Plastics Co. Ltd.Shizuoka-ken, Japan
Sumika Polycarbonate Ltd.
Jiangsu HSC New Energy Materials Co. Ltd.Jiangsu, China
Biopetrolia ABVastra Gotaland, Sweden
Shandong Qilu Petrochemical Engineering Co. Ltd.