Shanghai Hongji Ventilation Equipment Co., Ltd. is located in Haiwan Scenic Area of South Shanghai. We are a company adhering to technology-leading producer as the target, professional producing new composite duct insulation boards. Based on advanced technology, our has committed ...

Xiamen Green Foam Insulation Material Co., Ltd. was established in 2014 and has become a renowned organization over the years. We are leading manufacturer China offering high quality 24 insulation. Also, our success can be evaluated by considering annual revenue of confidential. Currently, ...