
Tess Co. Ltd.Tokyo-to, Japan

Nichiei Co. Ltd.

Tianjin Installation Engineering Co. Ltd.Tianjin Shi, China

Shenzhen Wenye Decoration Design Engineering Co., Ltd.Guangdong Sheng, China

Dürkopp Maschinenbau GmbHGermany

Kye-Ryong Construction Industrial Co., Ltd.South Korea

Wayss & Freytag Ingenieurbau AGHessen, Germany

Plumis Ltd.United Kingdom

AMES Taping Tools LLCGeorgia, United States

Beijing SPC Environment Protection Tech Co., Ltd.Beijing Shi, China

Guangdong Shunshui Project Construction Management Co., Ltd.

Taiheiyo Engineering Co., Ltd.