Martin Knoetgen

Zhejiang Zheda Insigma Mechanical & Electrical Engg Gp Co Ltd. engages in the development of computer software. Its business includes sale and transfer of technology; computer system integration; sale of computer and electronic equipment; development of electric power automation and communication system; and undertake environmental protection engineering, municipal engineering, electric engineering, traffic engineering and construction engineering. The company was founded on August 30, 2001 and is headquartered in Hangzhou, China.

Putzmeister Holding GmbH specializes in the manufacture and distribution of construction machinery and equipment. It products include concrete placement and removal equipment, concrete pumps, mortar machines, plastering machines, and materials handling equipment. The firm offer consulting, training courses, and after sales and parts maintenance services. Putzmeister Holding company was founded by Karl Schlecht in 1958 and is headquartered in Aichtal, Germany.

Part of Wittur Holding GmbH, Wittur Deutschland Vertrieb Holding GmbH operates as a holding German company through its subsidiaries and manufactures elevators and lift components. The company is based in Wiedenzhausen, Germany. The CEOs of the company are Christoph Kaml, Antoine Doutriaux.

Part of Wittur Holding GmbH, Paternoster Holding I GmbH is a German company that manufactures and supplies elevator components. The company is based in Wiedenzhausen, Germany. Antoine Doutriaux has been the CEO of the company since 2018.

Zhejiang Jiuhe Innovation Technology Co., Ltd. provides technology services. The private company is based in Hangzhou, China. and has subsidiaries in China. The Chinese company was founded in 2015. The CEO is Xiang Yang Jiang.

Part of Zhejiang Jiuhe Innovation Technology Co., Ltd., Hangzhou Jiqing Investment Management Co., Ltd. is a company that provides investment services. The company is based in Hangzhou, China. The Chinese company was founded in 2017. The CEO is Xiang Yang Jiang.

Part of Sany Heavy Industry Co., Ltd., Putzmeister Concrete Pumps GmbH is a German company that develops, manufactures, and markets machines for concrete pumps. The company is based in Aichtal, Germany. The CEOs are Carsten von der Geest, Markus Troger, Stefan Fritz. The company was founded in 2008.