Honghe Electronic Material Technology Co., Ltd.

Main products: electronic grade fiberglass cloth
Available in July 2019
Stock code: 603256
https://www.gracefabric.com

Wuxi Hongren Electronic Material Technology Co., Ltd.

Products: FR4 Copper Clad Laminate &PP
It is expected to merge and go public with Hongchang Group in November 2020
http://www.szdxxb.cn

Zhuhai Hongchang Electronics Co., Ltd.

Products: Epoxy
Listed in May 2012
Stock code: 603002
http://www.graceepoxy.com/

Guangzhou Hongxin Plastic Industry Co., Ltd.
Hongyi Polymer Material Technology Co., Ltd.

Products: pharmaceutical grade packaging materials, food grade packaging
http://www.hanrigid.com/