
John A. King, PhD

Huizhou Guanyi Precision Equipment Co., Ltd.Guangdong Sheng, China

Fujian Jumbo New Material Corp., Ltd.Fujian Sheng, China

Changzhou Rongsheng New Material Technology Co., Ltd.Jiangsu Sheng, China

Baoji Hewitt Machinery Technology Co., Ltd.Shaanxi Sheng, China

Zhejiang Buda Technology Co., Ltd.Zhejiang Sheng, China

Yibin Minte Technology Company LimitedSichuan Sheng, China

PROTEZIONI SRLItaly

Jiangsu Yongen Electric Technology Co., Ltd.Jiangsu Sheng, China

Hakyong Engineering Co. Ltd.South Korea

Changzhou Quankeyi Building Materials Co., Ltd.Jiangsu Sheng, China

Zhejiang Cowin Fastech Co., Ltd.Zhejiang Sheng, China