Beisteel Pipeyingkou Co. Ltd.
Manbo Heavy Ind Co. Ltd.
Hong Hu Suzhou Semiconductor Technology Co Ltd.Jiangsu Sheng, China
Soadco SA
Hangzhou Qiaoyu Culture Communication Co., Ltd.
Beijing Hollysys Automation & Drive Co. Ltd.
Chemtron Research LLC
Rizhao Qixing Auto Parts Co., Ltd.
Zibo Cuizhi Industrial Design Consulting Co., Ltd.Shandong Sheng, China
Wuhu Huiyu Trading Co., Ltd.Anhui Sheng, China
Jiang Su Sheng Ji Chemical Co. Ltd.
Dinghong International Investment (Hong Kong) Co., Ltd.