Let me provide you with the names of a few well-known manufacturers. Some manufacturers have more than one brand

Shandong: Luxi, Yankuang (Yishan and Lunan), Ruixing, Hualu, Shouguang Alliance, Mingshui Dahua, Zhonghua Plain

Shanxi’s: Lanhua, Fengxi, Jinfeng, Tianze

Hebei’s: Cangzhou Dahua, Dongguang, Zhengyuan

The four eastern provinces: Inner Mongolia Tianye, Inner Mongolia Wulashan, Liaoning Huajin, Jilin Changshan, Heilongjiang Daqing Petrochemical, Heilongjiang Haolianghe, Heilongjiang Heihua, CNPC Urumqi

In Anhui: Haoyuan Chemical, Linquan, Sinopec Anqing, Hefei Sifang

In Henan: Xinlianxin, Haohuajunhua, Zhongyuan Dahua, Pingdingshan, Haolida

In Jiangsu: Xinyi Hengsheng, Linggu Chemical, Huachang

Others include: Hunan Yihua, Hubei Yihua, Lanzhou Petrochemical, Sichuan Lutianhua, Sichuan Chemical, Yuntianhua , Chengdu Jiuyuan, CNOOC Hainan Fudao, Guizhou Chitianhua, Jiangxi Shuangqiang, Hubei Huaqiang, Fujian Sanming

I can remember so many, but in fact there are many relatively good manufacturers

p>