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Creansmaerd Co. Ltd.Tokyo, Japan

AVIC JERUI (Beijing) Photoelectric Technology Co., Ltd.

Baiyue Industrial Co. Ltd.

LETRY (SHANG HAI) CLEAN TECH CO.,LTD.

Xilin Gol Vocational CollegeNei Mongol Zizhiqu, China

Xinjiang Technical Institute of Physics and Chemistry,Chinese Academy of Sciences

Jiangsu Jinshi Valve Industry Co. Ltd.

Chengdu Tengyue Technology Co., Ltd.Sichuan Sheng, China

Slovenská Armatúrka Myjava AS

Zhangzhou Institute of TechnologyFujian Sheng, China

Sichuan Gushan Vegetable Fat Chemistry Co. Ltd.