Guangdong Chaohua Technology Co. Ltd. (China)
Guangzhou Grace Electron Corporation (China)
Doosan Group (South Korea)
Nan Ya Plastics Corporation (China)
Taiwan Union Technology Corporation (Taiwan)
Panasonic Corporation (Japan)
Isola Group Ltd. (US)
Shengyi Technology Co. Ltd. (SYTECH) (US)
ITEQ CORPORATION (Taiwan)
Shandong Jinbao Electronics Co.Ltd. (China)
Cipel Italia (Italy)