We, Tianjin Chengyi International Trading Co.,Ltd, have our own professional chemical factories, specialized in producing oxalic acid, formic acid, sodium formate, Sulfamic acid, melamine etc; We have full experience in exporting kinds of chemical products to more than 40 countries and regions in the world, such as USA, Europe, South America, Oceania, Africa, Japan, Korea and South East Asia.

Based on our excellent work and service, we have been appointed as purchasing representatives in China by customers oversea, so we have wide and close connections with domestic manufacturers over 20 provinces in kinds of fields.