Shandong Puhua Ziguang Environmental Protection Equipment Co., Ltd.
Hu Lane Electronics Nanjing Co. Ltd.
Wuxi Tianli Metal Technology Co., Ltd.
Jinzhai Zhixing Intellectual Property Operation Co., Ltd.
Gsket Srl
L.D.A., Inc.Puerto Rico
DiaMed GmbH
Toyo Unicon Co. Ltd.
Ingersoll Products, Inc.Canada
Shandong Chenxin New Energy Co. Ltd.
Marley Plastics Ltd.Kent, United Kingdom
Hunan Xiangdian Research Institute Co., Ltd.Hunan Sheng, China