Henan Guo Long industrial co., LTD was established by the holding company of Wei Deng Construction Engineering Co., Ltd. China construction provide technical support, committed to integration component, fresh air, prefabricated building system, research and development board Long, ...

Shandong Kunzheng Mechanical Equipment Technology Co., Ltd is located in Qingzhou City, Province, China. We are a professional manufacturer with trading department of animal husbandry equipment and ventilation cooling equipment. have been engaged this industry for over ten years. Our main ...