Japan Radio Co.Ltd  (JRC)Furuno  All kinds of  China Brands (Jiaxing Kexun Elecrtonic,Hangzhou Huayan Digital Electronics Co.,Ltd etc.

Qingdao BeihaiJiangyin Beihai LSA Co.,LtdJiangsu Huayan MarineAll kinds of China brand

All kinds of China brand

ABBSimenseMitsubishiTaiyo Electric Co.,LtdAll kinds of China brand(Dezhou Hengli etc.)

Alfa LavalGEA /GEA Wuhu/KelvionSondex A/S   /DanfossAll kinds of Chinese Brand