1.Beijing Dynaflow Lab Solutions Co.,Ltd.

2.Spectron Gas Control Systems (Shanghai) Co.,Ltd.

3.Beijing HuaYuYuan Technology Co.,Ltd.

4.Beijing juyuan hengda technology co., Ltd.

5.Beijing WenQianXun Scientific Co.,Ltd.

6.Shanghai Ceba Information Technology Co., Ltd.

7.Flow Sciences China

8.Nanjing CCT System Co. Ltd.

9.Forlab Design & Engineering Co., Ltd.

10.AMFLO Fluid Systems ＆ Components Co.，Ltd.

11.Shanghai Road Lab

12.ShangHai Weizhen Industrial Co.,Ltd.

13.Wamax (Beijing) decoration materials Co. Ltd.

14.Wilsonart (Shanghai) Co.,Ltd.

15.Siemens Building Technologies (Tianjin) Ltd.

16.E3 Green Technology Co., Ltd.

17.Shanghai Controlsmart Ltd.