Qingdao Qingchi Intelligent Technology Co., Ltd. is a company engaged in the design, development, processing, manufacturing and sales services of dry-mixed (powder) mortar production lines, special mortar production equipment, putty powder production lines, gypsum mortar equipment and mortar construction equipment. National patent and officially registered trademark.

Henan Xingshengda Machinery Technology Co., Ltd. is established in 1999. The company has a technology center and an international trade department. The factory covers an area of more than 20000 square meters. It is a professional production enterprise with a large scale and advanced technology in the construction machinery manufacturing industry in Henan Province.

Hangzhou Tob Engineering Machinery Co., Ltd., whose former is Yiwu Wujun Machinery Factory, is one of the professional manufacturers of construction and engineering equipment in China. Situated in Jiande City, Hangzhou, which is about 100 kilometers away from Yiwu and 250 kilometers away from Ningbo Port, we enjoy an advantageous geographical location. The history of our manufacturing in construction machinery can be traced back to 1991. In 2008, the foreign trade department has been established and our goods started to be exported abroad. In 2016, we moved to the new factory in Jiande City, which covers an area of about 20000 square meter. We are very confident to enlarge our business scope in the brand new factory.