
Rickmans Ltd

Hebei Jinkun Engineering Material Co. Ltd.

Weatherford Rig Systems AS

Anhui Province (Huaihe River Water Conservancy Committee of the Ministry of Water Resources) Water Conservancy Research Institute (Anhui Water Conservancy Engineering Quality Inspection Center Station)

Nanjing Frontier Environmental Technology Co., Ltd.

Qingdao Guoxin Development (Group) Co., Ltd.

Eduard Hartmann GmbH & Co. KG

Ningbo Bull Photoelectric Technology Co. Ltd.

Ningbo Yunbao Electric Co., Ltd.

Shanghai Qisheng Biological Preparation Co. Ltd.

Stephen Fredrick Johnston,

Forward Science Technologies LLC