Changzhou Rongpai Rubber & Plastic Products Co., Ltd.
Chengdu Silicon Technology Co., Ltd.
Dongguan Yi'an Technology Co., Ltd.
Dongyue Silicon Material
Guangdong Delian Group Co., Ltd.
Silicon Treasure Technology
Jinghua New Material Company
Nanjing Jiaduobao Rubber & Plastic Co., Ltd.
Shanghai Shugong Rubber & Plastic Products Co., Ltd.
Shenzhen Hongshengyuan Plastic Co., Ltd.
Shenzhen Opto Industrial Materials Co., Ltd.
