- Qingdao Tenghong Import & Export Trading Co. Ltd.
- Address:zhangjiatun,pujizhen,jiaozhou city Qingdao Shandong 266325 China
- Dalian Quacent New Building Materials Co., Ltd
- Address:IA-14, Warehousing & Processing Area, Dalian Free Trade Zone P.R.China Dalian Liaoning 116600 China
- Wuhan Daquan Energy Saving Board Co.,Ltd
- Address:NO.1 HUKOU VILLAGE,LIUFANG STREET,JIANGXIA DISTRICT,WUHAN, CHINA Wuhan Hubei 430000 China
- Shenzhen Jin Ya Steel Sturcture Co.,Ltd.
- Address:5F,Fuyong Information Chamber of Commerce Building,Fuyong Street,Bao'an ,Shenzhen,China Shenzhen Guangdong 518101 China
- Taizhou Ouya Wood Industry Co,. Ltd
- Address:No.530, huifeng road, linhai city Taizhou Zhejiang 317000 China