1、 SICCAS

2、 China Triumph International Engineering Co.,Ltd.

3、 Shanghai Unite Technology Co., Ltd.

4、 Shanghai Smile Precision Ceramics Co., Ltd

5、 Shanghai Joint Power Seals Co., LTD.

6、 Jiangnan innovative Ceramics Co., Ltd.

7、 Shanghai Glass Company Limited

8、 Shanghai Pony Technology Co., Ltd.