http://okok.org/forum/viewthread.php?tid=36535&h=1&bpg=2&age=60
Hebei Construction Group Co. light steel branch
http://okok.org/forum/viewthread.php?tid=36126&h=1&bpg=2&age=60
鈪鈪鈪鈪 City Construction Company Metal Engineering Co. viewthread.php?tid=34804&h=1&bpg=2&age=60
Central Railway Baoqiao Co.
http://okok.org/forum/viewthread.php?tid=34784&h= 1&bpg=2&age=60
China Huanqiu Engineering Corporation
http://okok.org/forum/viewthread.php?tid=33728&h=1&bpg=2&age=60
Japan Sun Industrial Group Shanghai Sun Membrane Structures Co., Ltd Beijing Branch
http://okok.org/forum/viewthread.php?tid=29692&h=1&bpg=3&age=60
Jinan Yuanyi Metal Roofing Co.
http://okok.org/forum/viewthread.php?tid=27144&h=1&bpg=3&age=60
Qingdao Baoduo Steel Structure Company
http://okok.org/forum/viewthread .php?tid=26452&msg=PstDel#120468
Tianjin Erjian Construction Engineering Co.
http://okok.org/forum/viewthread.php?tid=27214&h=1&bpg=3&age=60
http://okok.org/forum/viewthread.php?tid=27214&h=1&bpg=3& ;age=60Shandong Zaozhuang Xuecheng District Forging Factory
http://okok.org/forum/viewthread.php?tid=24733&h=1&bpg=4&age=60
Shandong Shangye Steel Structure Engineering Co. p>
http://okok.org/forum/viewthread.php?tid=24086&h=1&bpg=4&age=60
Kaifeng Tianyuan Mesh Frame Engineering Co.
http://okok.org/forum/ viewthread.php?tid=23914&h=1&bpg=4&age=60
Beijing North Space Steel Structure Company
http://okok.org/forum/viewthread.php?tid=23282&h =1&bpg=4&age=60
Shandong Zaozhuang Hengtong Steel Structure Engineering Co.
http://okok.org/forum/viewthread.php?tid=22830&h=1&bpg=4&age=60 <
Shandong New Concept Steel Structure Engineering Co.
http://okok.org/forum/viewthread.php?tid=19234&h=1&bpg=6&age=60
Qingdao Integrated Housing Industry Co.
http://okok.org/forum/viewthread.php?tid=18976&h=1&bpg=6&age=60
Laiwu Iron and Steel Group Co.
http://okok.org/forum/ viewthread.php?tid=17788&h=1&bpg=7&age=60
Handan Iron & Steel Group Maoyang Iron & Steel Co.
http://okok.org/forum/viewthread.php?tid=17789& amp;h=1&bpg=7&age=60
China Tianchen Chemical Engineering Company
http://okok.org/forum/viewthread.php?tid=13566&h=1&bpg=7&age=60
Shandong Province Construction Construction (Group) Co.
http://okok.org/forum/viewthread.php?tid=13407&h=1&bpg=7&age=60
Qingdao Jinmao Yuan Steel Structure Engineering Co.
http://okok.org/forum/viewthread.php?tid=6845&h=1&bpg=8&age=60
Zhengzhou Yuhang Electric Power Equipment Co.
http://okok.org/forum/ viewthread.php?tid=4023&h=1&bpg=9&age=60
Beijing Dovi Color Steel Pressure Plate Co.
http://okok.org/forum/viewthread.php?tid=930&h= 1&bpg=9&age=60
Tianjin Wanliyuan Industry Co.
http://okok.org/forum/viewthread.php?tid=22235&h=1&bpg=5&age=60
Beijing Yinhe Metal Structure Engineering Limited Liability Company
http://okok.org/forum/viewthread.php?tid=22233&h=1&bpg=5&age=60
Beijing Beipao Jinjian Steel Structure Color Plate Engineering Co.
http://okok.org/forum/viewthread.php?tid=22186&h=1&bpg=5&age=60
Continuing to organize and add ......
Jinan Yuanyi Metal Roofing Co.
http://okok.org/forum/viewthread.php?tid=27144&msg=PstDel#123385
Huadian Steel Structure Co.
http:// okok.org/forum/viewthread.php?tid=47884&bpg=1&pg=1
Tianjin Yihang Installation Engineering Co.
http://okok.org/forum/viewthread.php?tid=49380 &h=1&bpg=1&age=60
Tangshan Longitudinal and Horizontal United Plate and Strip Co.
http://okok.org/forum/viewthread.php?tid=50244&h=1&bpg=1&age=60
Continuing to organize and add ......
Hebei Traffic Communication Equipment Factory
http://okok.org/forum/viewthread.php?tid=53574&h=1&bpg=1&age=60
Kaifeng Anda Steel Structure Co.
http:// okok.org/forum/viewthread.php?tid=53575&age=60
Qingdao Pingcheng Steel Structure Co.
http://okok.org/forum/viewthread.php?tid=53576&pg=1 &age=60&bpg=1
Beijing Fulihua Steel Structure Color Plate Installation Co.
http://okok.org/forum/viewthread.php?tid=53577&age=60
Shangqiu Longchang Steel Structure Co.
http://okok.org/forum/viewthread.php?tid=53578&age=60
Beijing Bosent Building Material Co.
http://okok.org/forum/viewthread.php?tid= 53579&age=60
Beijing Sumitomo Zhenghua Company
http://okok.org/forum/viewthread.php?tid=53580&age=60
Jingxian Guangchuan Radio and Television Equipment Factory, Hebei Province
http:// okok.org/forum/viewthread.php?tid=53581&age=60
China Railway Shanqiao Group Co.
http://okok.org/forum/viewthread.php?tid=53582&age= 60
Puyang Xinzhen Color Steel Engineering Co.
http://okok.org/forum/viewthread.php?tid=53583&age=60
Shandong Province Industrial Installation Corporation
http://okok.org/ forum/viewthread.php?tid=53584&age=60
Qingdao Xiangxing Metal Shaped Steel Pipe Factory
http://okok.org/forum/viewthread.php?tid=53585&age=60
Qingdao Lingshan Shipbuilding Co.
http://okok.org/forum/viewthread.php?tid=53586&age=60
Qingdao Wuxiao Group Co.
http://okok.org/forum/ viewthread.php?tid=53588&age=60
Tianjin Tianxing Machinery Manufacturing Co.
http://okok.org/forum/viewthread.php?tid=53589&age=60
Tianjin Standard Parts No.3 Factory
http://okok.org/forum/viewthread.php?tid=53590&age=60
Shijiazhuang Haishan Building Decoration Engineering General Corporation
http://okok.org/forum/viewthread .php?tid=53591&age=60
Beijing Jingcang Pressure Plate Co.
http://okok.org/forum/viewthread.php?tid=53592&age=60
Luohe Huayi Fireproof Material Co.
http://okok.org/forum/viewthread.php?tid=53594&age=60
Shijiazhuang Taisheng Hardware Products Co.
http://okok.org/forum/viewthread.php?tid= 53595&age=60
Hebei Langfang Zhongbang Light Steel Color Plate Company
http://okok.org/cgi-bin/ut/topic_show.cgiid=56510&h=1&bpg=1&age=60
Continuously Organizing to add in ......
Baoding Taihang Steel Structure Engineering Co.
http://okok.org/forum/viewthread.php?tid=58272&h=1&bpg=1&age=60
Tianjin Dingtai Steel Structure Co. http://okok.org/forum/viewthread.php?tid=58268&h=1&bpg=1&age=60
Shandong Yanggu Jingyanggang Steel Structure Engineering Co.
http://okok.org/forum/ viewthread.php?tid=58266&h=1&bpg=1&age=60
China 22nd Metallurgical Construction Company Industrial Engineering Company
http://okok.org/forum/viewthread.php?tid= 58262&h=1&bpg=2&age=60
Beijing Quanxing Light Steel Structure Co.
http://okok.org/forum/viewthread.php?tid=58261&h=1&bpg=2& age=60
Henan Chengxin Steel Structure Co.
http://okok.org/forum/viewthread.php?tid=58259&h=1&bpg=2&age=60
Henan Nanyang Xinxing Colored Steel Structure Co.
http://okok.org/forum/viewthread.php?tid=58276&h=1&bpg=1&age=60
Zhengzhou Weihua Steel Structure Co.
http://okok.org/forum/ viewthread.php?tid=62007&bpg=1&pg=1
Handan Three and Steel Structure Co.
http://okok.org/forum/viewthread.php?tid=64013&bpg=1&. pg=1
Beijing Jintengsheng Membrane Structure Technology Co.
http://okok.org/cgi-bin/ut/topic_show.cgiid=64747&h=1&bpg=1&age=60
Beijing Lite Light Steel Building Structure Co. Ltd
http://okok.org/forum/viewthread.php?tid=64683&h=1&bpg=1&age=60
Beijing Jinkailu Steel Structure Engineering Co.
http://okok.org/ forum/viewthread.php?tid=64429&h=1&bpg=1&age=60
Lianyungang Haixin Steel Structure Co.
http://okok.org/forum/viewthread.php?tid= 65622&h=1&bpg=1&age=60
Shandong Jining Kejian Steel Structure Engineering Company
http://okok.org/forum/viewthread.php?tid=67838&bpg=1&pg=1
Jining Tianli Steel Structure Co.
http://okok.org/forum/viewthread.php?tid=73640&h=1&bpg=1&age=60
Shandong Luneng Guangda Steel Structure Co.
http:// okok.org/forum/viewthread.php?tid=73639&h=1&bpg=1&age=60
Shandong Guanglei Steel Structure Engineering Co.Ltd
http://okok.org/forum/viewthread. php?tid=73343&h=1&bpg=1&age=60
Belen Steel Structure Construction Engineering Co.
http://okok.org/forum/viewthread.php?tid=76552&pg=1&. age=0&bpg=1
Beijing Haustec Steel Structure Co.
http://okok.org/forum/viewthread.php?tid=82570&h=1&bpg=1&age=60
Xinzheng City, Henan Province Hongguan Welding Materials Co.
http://okok.org/forum/viewthread.php?tid=82871&bpg=1&pg=1
Shandong Province Civil Engineering Technology Research Center - Steel Structure Institute
http://okok.org/forum/viewthread.php?tid=85026&h=1&bpg=1&age=60
Zhejiang Southeast Mesh Framing Company Limited Beijing Branch
http://okok. org/forum/viewthread.php?tid=86282&bpg=1&bpg=1
Special Structure Research Institute of Hebei Academy of Building Research
http://okok.org/forum/viewthread.php?tid=86642 &bpg=1&pg=1
Beijing Baodu Enterprise Group
http://okok.org/forum/viewthread.php?tid=88133&bpg=1&pg=1
To be honest there are not many famous steel structure enterprises in Henan! Found you some in North China!
You will have to make do!