
Henan Yongan Cement Co., Ltd.

JOC International Technical Engineering Co. Ltd.

Arrow Electric Co., Inc.Kentucky, United States

Bechtel Oil, Gas & Chemicals, Inc.Texas, United States

Le'ster (Xiamen) Curtain-Wall Technology Co., Ltd.Fujian Sheng, China

IsoBouw Dämmtechnik GmbHGermany

Northern Tool + Equipment Co., Inc.

CoMC LLCNebraska, United States

KC Chemical Co., Ltd.South Korea

Hauraton GmbH & Co. KGBaden-Württemberg, Germany

LOGOS-Innovationen GmbHGermany

Fuzhou Planning & Design InstituteFujian Sheng, China