
TecExec Ltd.

Trelleborg Offshore UK Ltd.United Kingdom

Hyosung Heavy Industries Corp.South Korea

Johns Manville Corp.Colorado, United States

Powerchina Zhongnan Engineering Corp. Ltd.

LingNan Eco & Culture Tourism Co., Ltd.

Mid-American Gunite, Inc.

China Construction Fourth Engineering Division Corp. Ltd.

Airtron, Inc.Ohio, United States

Chongqing Research & Design Inst. of Sino-coal Intl Eng.Chongqing Shi, China

Marine Technologies, Inc.Maryland, United States

China Railway Urban Construction Group Co., Ltd.