Pentron Corp.
Wuhan Dongyun Plate Making Co. Ltd.
Foshan Nanhai Suke University Environmental Research Institute
Shanghai Yurong Optical Technology Co., Ltd.
Beijing Laowan Biomass Energy Technology Co., Ltd.
Hebei Jiantou Energy Science and Technology Research Institute Co., Ltd.Hebei Sheng, China
Jung GmbH
Shenzhen Zhenwei Biotechnology Co., Ltd.
Foshan Universal Power Equipment Co., Ltd.
Shandong Environmental Protection Scientific Research and Design Institute
Xi'an Oriental Compass Refrigeration Engineering Co., Ltd.
Guangyuan Haitian Industry Co. Ltd.